18 Commits

Author	SHA1	Message	Date
Raghavendra Rao Ananta	5bd75403be	Merge remote-tracking branch 'remotes/origin/tmp-f686d9f' into msm-lahaina ... * remotes/origin/tmp-f686d9f: ANDROID: update abi_gki_aarch64.xml for 5.2-rc6 Linux 5.2-rc6 Revert "iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock" Bluetooth: Fix regression with minimum encryption key size alignment tcp: refine memory limit test in tcp_fragment() x86/vdso: Prevent segfaults due to hoisted vclock reads SUNRPC: Fix a credential refcount leak Revert "SUNRPC: Declare RPC timers as TIMER_DEFERRABLE" net :sunrpc :clnt :Fix xps refcount imbalance on the error path NFS4: Only set creation opendata if O_CREAT ANDROID: gki_defconfig: workaround to enable configs ANDROID: gki_defconfig: more configs for partners ARM: 8867/1: vdso: pass --be8 to linker if necessary KVM: nVMX: reorganize initial steps of vmx_set_nested_state KVM: PPC: Book3S HV: Invalidate ERAT when flushing guest TLB entries habanalabs: use u64_to_user_ptr() for reading user pointers nfsd: replace Jeff by Chuck as nfsd co-maintainer inet: clear num_timeout reqsk_alloc() PCI/P2PDMA: Ignore root complex whitelist when an IOMMU is present net: mvpp2: debugfs: Add pmap to fs dump ipv6: Default fib6_type to RTN_UNICAST when not set net: hns3: Fix inconsistent indenting net/af_iucv: always register net_device notifier net/af_iucv: build proper skbs for HiperTransport net/af_iucv: remove GFP_DMA restriction for HiperTransport doc: fix documentation about UIO_MEM_LOGICAL using MAINTAINERS / Documentation: Thorsten Scherer is the successor of Gavin Schenk docs: fb: Add TER16x32 to the available font names MAINTAINERS: fpga: hand off maintainership to Moritz treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 507 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 506 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 503 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 502 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 501 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 498 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 497 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 496 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 495 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 491 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 490 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 489 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 488 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 487 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 486 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 485 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 484 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 481 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 480 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 479 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 477 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 475 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 474 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 473 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 472 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 471 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 469 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 468 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 467 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 466 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 465 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 464 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 463 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 462 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 461 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 460 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 459 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 457 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 456 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 455 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 454 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 452 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 451 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 250 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 247 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 246 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 245 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 244 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 243 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 239 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 238 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 237 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 233 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 232 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 231 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 226 KVM: arm/arm64: Fix emulated ptimer irq injection net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge() tests: kvm: Check for a kernel warning kvm: tests: Sort tests in the Makefile alphabetically KVM: x86/mmu: Allocate PAE root array when using SVM's 32-bit NPT KVM: x86: Modify struct kvm_nested_state to have explicit fields for data fanotify: update connector fsid cache on add mark quota: fix a problem about transfer quota drm/i915: Don't clobber M/N values during fastset check powerpc: enable a 30-bit ZONE_DMA for 32-bit pmac ovl: make i_ino consistent with st_ino in more cases scsi: qla2xxx: Fix hardlockup in abort command during driver remove scsi: ufs: Avoid runtime suspend possibly being blocked forever scsi: qedi: update driver version to 8.37.0.20 scsi: qedi: Check targetname while finding boot target information hvsock: fix epollout hang from race condition net/udp_gso: Allow TX timestamp with UDP GSO net: netem: fix use after free and double free with packet corruption net: netem: fix backlog accounting for corrupted GSO frames net: lio_core: fix potential sign-extension overflow on large shift tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL apparmor: reset pos on failure to unpack for various functions apparmor: enforce nullbyte at end of tag string apparmor: fix PROFILE_MEDIATES for untrusted input RDMA/efa: Handle mmap insertions overflow tun: wake up waitqueues after IFF_UP is set drm: return -EFAULT if copy_to_user() fails net: remove duplicate fetch in sock_getsockopt tipc: fix issues with early FAILOVER_MSG from peer bnx2x: Check if transceiver implements DDM before access xhci: detect USB 3.2 capable host controllers correctly usb: xhci: Don't try to recover an endpoint if port is in error state. KVM: fix typo in documentation drm/panfrost: Make sure a BO is only unmapped when appropriate md: fix for divide error in status_resync soc: ixp4xx: npe: Fix an IS_ERR() vs NULL check in probe arm64/mm: don't initialize pgd_cache twice MAINTAINERS: Update my email address arm64/sve: <uapi/asm/ptrace.h> should not depend on <uapi/linux/prctl.h> ovl: fix typo in MODULE_PARM_DESC ovl: fix bogus -Wmaybe-unitialized warning ovl: don't fail with disconnected lower NFS mmc: core: Prevent processing SDIO IRQs when the card is suspended mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning brcmfmac: sdio: Don't tune while the card is off mmc: core: Add sdio_retune_hold_now() and sdio_retune_release() brcmfmac: sdio: Disable auto-tuning around commands expected to fail mmc: core: API to temporarily disable retuning for SDIO CRC errors Revert "brcmfmac: disable command decode in sdio_aos" ARM: ixp4xx: include irqs.h where needed ARM: ixp4xx: mark ixp4xx_irq_setup as __init ARM: ixp4xx: don't select SERIAL_OF_PLATFORM firmware: trusted_foundations: add ARMv7 dependency usb: dwc2: Use generic PHY width in params setup RDMA/efa: Fix success return value in case of error IB/hfi1: Handle port down properly in pio IB/hfi1: Handle wakeup of orphaned QPs for pio IB/hfi1: Wakeup QPs orphaned on wait list after flush IB/hfi1: Use aborts to trigger RC throttling IB/hfi1: Create inline to get extended headers IB/hfi1: Silence txreq allocation warnings IB/hfi1: Avoid hardlockup with flushlist_lock KVM: PPC: Book3S HV: Only write DAWR[X] when handling h_set_dawr in real mode KVM: PPC: Book3S HV: Fix r3 corruption in h_set_dabr() fs/namespace: fix unprivileged mount propagation vfs: fsmount: add missing mntget() cifs: fix GlobalMid_Lock bug in cifs_reconnect SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write staging: erofs: add requirements field in superblock arm64: ssbd: explicitly depend on <linux/prctl.h> block: fix page leak when merging to same page block: return from __bio_try_merge_page if merging occured in the same page Btrfs: fix failure to persist compression property xattr deletion on fsync riscv: remove unused barrier defines usb: chipidea: udc: workaround for endpoint conflict issue MAINTAINERS: Change QCOM repo location mmc: mediatek: fix SDIO IRQ detection issue mmc: mediatek: fix SDIO IRQ interrupt handle flow mmc: core: complete HS400 before checking status riscv: mm: synchronize MMU after pte change MAINTAINERS: Update my email address to use @kernel.org ANDROID: update abi_gki_aarch64.xml for 5.2-rc5 riscv: dts: add initial board data for the SiFive HiFive Unleashed riscv: dts: add initial support for the SiFive FU540-C000 SoC dt-bindings: riscv: convert cpu binding to json-schema dt-bindings: riscv: sifive: add YAML documentation for the SiFive FU540 arch: riscv: add support for building DTB files from DT source data drm/i915/gvt: ignore unexpected pvinfo write lapb: fixed leak of control-blocks. tipc: purge deferredq list for each grp member in tipc_group_delete ax25: fix inconsistent lock state in ax25_destroy_timer neigh: fix use-after-free read in pneigh_get_next tcp: fix compile error if !CONFIG_SYSCTL hv_sock: Suppress bogus "may be used uninitialized" warnings be2net: Fix number of Rx queues used for flow hashing net: handle 802.1P vlan 0 packets properly Linux 5.2-rc5 tcp: enforce tcp_min_snd_mss in tcp_mtu_probing() tcp: add tcp_min_snd_mss sysctl tcp: tcp_fragment() should apply sane memory limits tcp: limit payload size of sacked skbs Revert "net: phylink: set the autoneg state in phylink_phy_change" bpf: fix nested bpf tracepoints with per-cpu data bpf: Fix out of bounds memory access in bpf_sk_storage vsock/virtio: set SOCK_DONE on peer shutdown net: dsa: rtl8366: Fix up VLAN filtering net: phylink: set the autoneg state in phylink_phy_change powerpc/32: fix build failure on book3e with KVM powerpc/booke: fix fast syscall entry on SMP powerpc/32s: fix initial setup of segment registers on secondary CPU x86/microcode, cpuhotplug: Add a microcode loader CPU hotplug callback net: add high_order_alloc_disable sysctl/static key tcp: add tcp_tx_skb_cache sysctl tcp: add tcp_rx_skb_cache sysctl sysctl: define proc_do_static_key() hv_netvsc: Set probe mode to sync net: sched: flower: don't call synchronize_rcu() on mask creation net: dsa: fix warning same module names sctp: Free cookie before we memdup a new one net: dsa: microchip: Don't try to read stats for unused ports qmi_wwan: extend permitted QMAP mux_id value range qmi_wwan: avoid RCU stalls on device disconnect when in QMAP mode qmi_wwan: add network device usage statistics for qmimux devices qmi_wwan: add support for QMAP padding in the RX path bpf, x64: fix stack layout of JITed bpf code Smack: Restore the smackfsdef mount option and add missing prefixes bpf, devmap: Add missing RCU read lock on flush bpf, devmap: Add missing bulk queue free bpf, devmap: Fix premature entry free on destroying map ftrace: Fix NULL pointer dereference in free_ftrace_func_mapper() module: Fix livepatch/ftrace module text permissions race tracing/uprobe: Fix obsolete comment on trace_uprobe_create() tracing/uprobe: Fix NULL pointer dereference in trace_uprobe_create() tracing: Make two symbols static tracing: avoid build warning with HAVE_NOP_MCOUNT tracing: Fix out-of-range read in trace_stack_print() gfs2: Fix rounding error in gfs2_iomap_page_prepare net: phylink: further mac_config documentation improvements nfc: Ensure presence of required attributes in the deactivate_target handler btrfs: start readahead also in seed devices x86/kasan: Fix boot with 5-level paging and KASAN cfg80211: report measurement start TSF correctly cfg80211: fix memory leak of wiphy device name cfg80211: util: fix bit count off by one mac80211: do not start any work during reconfigure flow cfg80211: use BIT_ULL in cfg80211_parse_mbssid_data() mac80211: only warn once on chanctx_conf being NULL mac80211: drop robust management frames from unknown TA gpu: ipu-v3: image-convert: Fix image downsize coefficients gpu: ipu-v3: image-convert: Fix input bytesperline for packed formats gpu: ipu-v3: image-convert: Fix input bytesperline width/height align thunderbolt: Implement CIO reset correctly for Titan Ridge ARM: davinci: da8xx: specify dma_coherent_mask for lcdc ARM: davinci: da850-evm: call regulator_has_full_constraints() timekeeping: Repair ktime_get_coarse*() granularity Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops" ANDROID: update abi_gki_aarch64.xml mm/devm_memremap_pages: fix final page put race PCI/P2PDMA: track pgmap references per resource, not globally lib/genalloc: introduce chunk owners PCI/P2PDMA: fix the gen_pool_add_virt() failure path mm/devm_memremap_pages: introduce devm_memunmap_pages drivers/base/devres: introduce devm_release_action() mm/vmscan.c: fix trying to reclaim unevictable LRU page coredump: fix race condition between collapse_huge_page() and core dumping mm/mlock.c: change count_mm_mlocked_page_nr return type mm: mmu_gather: remove __tlb_reset_range() for force flush fs/ocfs2: fix race in ocfs2_dentry_attach_lock() mm/vmscan.c: fix recent_rotated history mm/mlock.c: mlockall error for flag MCL_ONFAULT scripts/decode_stacktrace.sh: prefix addr2line with $CROSS_COMPILE mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node mm: memcontrol: don't batch updates of local VM stats and events PCI: PM: Skip devices in D0 for suspend-to-idle ANDROID: Removed extraneous configs from gki powerpc/bpf: use unsigned division instruction for 64-bit operations bpf: fix div64 overflow tests to properly detect errors bpf: sync BPF_FIB_LOOKUP flag changes with BPF uapi bpf: simplify definition of BPF_FIB_LOOKUP related flags cifs: add spinlock for the openFileList to cifsInodeInfo cifs: fix panic in smb2_reconnect x86/fpu: Don't use current->mm to check for a kthread KVM: nVMX: use correct clean fields when copying from eVMCS vfio-ccw: Destroy kmem cache region on module exit block/ps3vram: Use %llu to format sector_t after LBDAF removal libata: Extend quirks for the ST1000LM024 drives with NOLPM quirk bcache: only set BCACHE_DEV_WB_RUNNING when cached device attached bcache: fix stack corruption by PRECEDING_KEY() arm64/sve: Fix missing SVE/FPSIMD endianness conversions blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests blkio-controller.txt: Remove references to CFQ block/switching-sched.txt: Update to blk-mq schedulers null_blk: remove duplicate check for report zone blk-mq: no need to check return value of debugfs_create functions io_uring: fix memory leak of UNIX domain socket inode block: force select mq-deadline for zoned block devices binder: fix possible UAF when freeing buffer drm/amdgpu: return 0 by default in amdgpu_pm_load_smu_firmware drm/amdgpu: Fix bounds checking in amdgpu_ras_is_supported() ANDROID: x86 gki_defconfig: enable DMA_CMA ANDROID: Fixed x86 regression ANDROID: gki_defconfig: enable DMA_CMA Input: synaptics - enable SMBus on ThinkPad E480 and E580 net: mvpp2: prs: Use the correct helpers when removing all VID filters net: mvpp2: prs: Fix parser range for VID filtering mlxsw: spectrum: Disallow prio-tagged packets when PVID is removed mlxsw: spectrum_buffers: Reduce pool size on Spectrum-2 selftests: tc_flower: Add TOS matching test mlxsw: spectrum_flower: Fix TOS matching selftests: mlxsw: Test nexthop offload indication mlxsw: spectrum_router: Refresh nexthop neighbour when it becomes dead mlxsw: spectrum: Use different seeds for ECMP and LAG hash net: tls, correctly account for copied bytes with multiple sk_msgs vrf: Increment Icmp6InMsgs on the original netdev cpuset: restore sanity to cpuset_cpus_allowed_fallback() net: ethtool: Allow matching on vlan DEI bit linux-next: DOC: RDS: Fix a typo in rds.txt x86/kgdb: Return 0 from kgdb_arch_set_breakpoint() mpls: fix af_mpls dependencies for real selinux: fix a missing-check bug in selinux_sb_eat_lsm_opts() selinux: fix a missing-check bug in selinux_add_mnt_opt( ) arm64: tlbflush: Ensure start/end of address range are aligned to stride usb: typec: Make sure an alt mode exist before getting its partner KVM: arm/arm64: vgic: Fix kvm_device leak in vgic_its_destroy KVM: arm64: Filter out invalid core register IDs in KVM_GET_REG_LIST KVM: arm64: Implement vq_present() as a macro xdp: check device pointer before clearing bpf: net: Set sk_bpf_storage back to NULL for cloned sk Btrfs: fix race between block group removal and block group allocation clocksource/drivers/arm_arch_timer: Don't trace count reader functions i2c: pca-platform: Fix GPIO lookup code thunderbolt: Make sure device runtime resume completes before taking domain lock drm: add fallback override/firmware EDID modes workaround i2c: acorn: fix i2c warning arm64: Don't unconditionally add -Wno-psabi to KBUILD_CFLAGS drm/edid: abstract override/firmware EDID retrieval platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration platform/x86: intel-vbtn: Report switch events when event wakes device platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi ARM: mvebu_v7_defconfig: fix Ethernet on Clearfog x86/resctrl: Prevent NULL pointer dereference when local MBM is disabled x86/resctrl: Don't stop walking closids when a locksetup group is found iommu/arm-smmu: Avoid constant zero in TLBI writes drm/i915/perf: fix whitelist on Gen10+ drm/i915/sdvo: Implement proper HDMI audio support for SDVO drm/i915: Fix per-pixel alpha with CCS drm/i915/dmc: protect against reading random memory drm/i915/dsi: Use a fuzzy check for burst mode clock check Input: imx_keypad - make sure keyboard can always wake up system selinux: log raw contexts as untrusted strings ptrace: restore smp_rmb() in __ptrace_may_access() IB/hfi1: Correct tid qp rcd to match verbs context IB/hfi1: Close PSM sdma_progress sleep window IB/hfi1: Validate fault injection opcode user input geneve: Don't assume linear buffers in error handler vxlan: Don't assume linear buffers in error handler net: openvswitch: do not free vport if register_netdevice() is failed. net: correct udp zerocopy refcnt also when zerocopy only on append drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc ovl: fix wrong flags check in FS_IOC_FS[SG]ETXATTR ioctls riscv: Fix udelay in RV32. drm/vmwgfx: fix a warning due to missing dma_parms riscv: export pm_power_off again drm/vmwgfx: Honor the sg list segment size limitation RISC-V: defconfig: enable clocks, serial console drm/vmwgfx: Use the backdoor port if the HB port is not available bpf: lpm_trie: check left child of last leftmost node for NULL Revert "fuse: require /dev/fuse reads to have enough buffer capacity" ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire) ALSA: oxfw: allow PCM capture for Stanton SCS.1m ALSA: firewire-motu: fix destruction of data for isochronous resources s390/ctl_reg: mark __ctl_set_bit and __ctl_clear_bit as __always_inline s390/boot: disable address-of-packed-member warning ANDROID: update gki aarch64 ABI representation cgroup: Fix css_task_iter_advance_css_set() cset skip condition drm/panfrost: Require the simple_ondemand governor drm/panfrost: make devfreq optional again drm/gem_shmem: Use a writecombine mapping for ->vaddr mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H ASoC: Intel: sst: fix kmalloc call with wrong flags ASoC: core: Fix deadlock in snd_soc_instantiate_card() cgroup/bfq: revert bfq.weight symlink change ARM: dts: am335x phytec boards: Fix cd-gpios active level ARM: dts: dra72x: Disable usb4_tm target module nfp: ensure skb network header is set for packet redirect tcp: fix undo spurious SYNACK in passive Fast Open mpls: fix af_mpls dependencies ibmvnic: Fix unchecked return codes of memory allocations ibmvnic: Refresh device multicast list after reset ibmvnic: Do not close unopened driver during reset mpls: fix warning with multi-label encap net: phy: rename Asix Electronics PHY driver ipv6: flowlabel: fl6_sock_lookup() must use atomic_inc_not_zero net: ipv4: fib_semantics: fix uninitialized variable Input: iqs5xx - get axis info before calling input_mt_init_slots() Linux 5.2-rc4 drm: panel-orientation-quirks: Add quirk for GPD MicroPC drm: panel-orientation-quirks: Add quirk for GPD pocket2 counter/ftm-quaddec: Add missing dependencies in Kconfig staging: iio: adt7316: Fix build errors when GPIOLIB is not set x86/fpu: Update kernel's FPU state before using for the fsave header MAINTAINERS: Karthikeyan Ramasubramanian is MIA i2c: xiic: Add max_read_len quirk ANDROID: update ABI representation gpio: pca953x: hack to fix 24 bit gpio expanders net/mlx5e: Support tagged tunnel over bond net/mlx5e: Avoid detaching non-existing netdev under switchdev mode net/mlx5e: Fix source port matching in fdb peer flow rule net/mlx5e: Replace reciprocal_scale in TX select queue function net/mlx5e: Add ndo_set_feature for uplink representor net/mlx5: Avoid reloading already removed devices net/mlx5: Update pci error handler entries and command translation RAS/CEC: Convert the timer callback to a workqueue RAS/CEC: Fix binary search function x86/mm/KASLR: Compute the size of the vmemmap section properly can: purge socket error queue on sock destruct can: flexcan: Remove unneeded registration message can: af_can: Fix error path of can_init() can: m_can: implement errata "Needless activation of MRAF irq" can: mcp251x: add support for mcp25625 dt-bindings: can: mcp251x: add mcp25625 support can: xilinx_can: use correct bittiming_const for CAN FD core can: flexcan: fix timeout when set small bitrate can: usb: Kconfig: Remove duplicate menu entry lockref: Limit number of cmpxchg loop retries uaccess: add noop untagged_addr definition x86/insn-eval: Fix use-after-free access to LDT entry kbuild: use more portable 'command -v' for cc-cross-prefix s390/unwind: correct stack switching during unwind scsi: hpsa: correct ioaccel2 chaining btrfs: Always trim all unallocated space in btrfs_trim_free_extents netfilter: ipv6: nf_defrag: accept duplicate fragments again powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX drm/meson: fix G12A primary plane disabling drm/meson: fix primary plane disabling drm/meson: fix G12A HDMI PLL settings for 4K60 1000/1001 variations block, bfq: add weight symlink to the bfq.weight cgroup parameter cgroup: let a symlink too be created with a cftype file powerpc/64s: __find_linux_pte() synchronization vs pmdp_invalidate() powerpc/64s: Fix THP PMD collapse serialisation powerpc: Fix kexec failure on book3s/32 drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW drm/nouveau/secboot: split out FW version-specific LS function pointers drm/nouveau/secboot: pass max supported FW version to LS load funcs drm/nouveau/core: support versioned firmware loading drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device block: free sched's request pool in blk_cleanup_queue bpf: expand section tests for test_section_names bpf: more msg_name rewrite tests to test_sock_addr bpf, bpftool: enable recvmsg attach types bpf, libbpf: enable recvmsg attach types bpf: sync tooling uapi header bpf: fix unconnected udp hooks vfio/mdev: Synchronize device create/remove with parent removal vfio/mdev: Avoid creating sysfs remove file on stale device removal pktgen: do not sleep with the thread lock held. net: mvpp2: Use strscpy to handle stat strings net: rds: fix memory leak in rds_ib_flush_mr_pool ipv6: fix EFAULT on sendto with icmpv6 and hdrincl ipv6: use READ_ONCE() for inet->hdrincl as in ipv4 soundwire: intel: set dai min and max channels correctly soundwire: stream: fix bad unlock balance x86/fpu: Use fault_in_pages_writeable() for pre-faulting nvme-rdma: use dynamic dma mapping per command nvme: Fix u32 overflow in the number of namespace list calculation vfio/mdev: Improve the create/remove sequence SoC: rt274: Fix internal jack assignment in set_jack callback ALSA: hdac: fix memory release for SST and SOF drivers ASoC: SOF: Intel: hda: use the defined ppcap functions ASoC: core: move DAI pre-links initiation to snd_soc_instantiate_card ASoC: Intel: cht_bsw_rt5672: fix kernel oops with platform_name override ASoC: Intel: cht_bsw_nau8824: fix kernel oops with platform_name override ASoC: Intel: bytcht_es8316: fix kernel oops with platform_name override ASoC: Intel: cht_bsw_max98090: fix kernel oops with platform_name override Revert "gfs2: Replace gl_revokes with a GLF flag" arm64: Silence gcc warnings about arch ABI drift parisc: Fix crash due alternative coding for NP iopdir_fdc bit parisc: Use lpa instruction to load physical addresses in driver code parisc: configs: Remove useless UEVENT_HELPER_PATH parisc: Use implicit space register selection for loading the coherence index of I/O pdirs usb: gadget: udc: lpc32xx: fix return value check in lpc32xx_udc_probe() usb: gadget: dwc2: fix zlp handling usb: dwc2: Set actual frame number for completed ISOC transfer for none DDMA usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i] usb: phy: mxs: Disable external charger detect in mxs_phy_hw_init() usb: dwc2: Fix DMA cache alignment issues usb: dwc2: host: Fix wMaxPacketSize handling (fix webcam regression) ARM64: trivial: s/TIF_SECOMP/TIF_SECCOMP/ comment typo fix drm/komeda: Potential error pointer dereference drm/komeda: remove set but not used variable 'kcrtc' x86/CPU: Add more Icelake model numbers hwmon: (pmbus/core) Treat parameters as paged if on multiple pages hwmon: (pmbus/core) mutex_lock write in pmbus_set_samples hwmon: (core) add thermal sensors only if dev->of_node is present Revert "fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied" net: aquantia: fix wol configuration not applied sometimes ethtool: fix potential userspace buffer overflow Fix memory leak in sctp_process_init net: rds: fix memory leak when unload rds_rdma ipv6: fix the check before getting the cookie in rt6_get_cookie ipv4: not do cache for local delivery if bc_forwarding is enabled selftests: vm: Fix test build failure when built by itself tools: bpftool: Fix JSON output when lookup fails mmc: also set max_segment_size in the device mtip32xx: also set max_segment_size in the device rsxx: don't call dma_set_max_seg_size nvme-pci: don't limit DMA segement size s390/qeth: handle error when updating TX queue count s390/qeth: fix VLAN attribute in bridge_hostnotify udev event s390/qeth: check dst entry before use s390/qeth: handle limited IPv4 broadcast in L3 TX path ceph: fix error handling in ceph_get_caps() ceph: avoid iput_final() while holding mutex or in dispatch thread ceph: single workqueue for inode related works cgroup: css_task_iter_skip()'d iterators must be advanced before accessed drm/amd/amdgpu: add RLC firmware to support raven1 refresh drm/amd/powerplay: add set_power_profile_mode for raven1_refresh drm/amdgpu: fix ring test failure issue during s3 in vce 3.0 (V2) treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 449 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 448 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 444 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 443 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 442 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 440 treewide: Replace GPLv2 boilerplate/reference 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Handle Clang auto-initialization pattern block: Drop unlikely before IS_ERR(_OR_NULL) xen/swiotlb: don't initialize swiotlb twice on arm64 s390/mm: fix address space detection in exception handling HID: logitech-dj: Fix 064d:c52f receiver support Revert "HID: core: Call request_module before doing device_add" Revert "HID: core: Do not call request_module() in async context" Revert "HID: Increase maximum report size allowed by hid_field_extract()" tests: fix pidfd-test compilation signal: improve comments samples: fix pidfd-metadata compilation arm64: arch_timer: mark functions as __always_inline arm64: smp: Moved cpu_logical_map[] to smp.h arm64: cpufeature: Fix missing ZFR0 in __read_sysreg_by_encoding() selftests/bpf: move test_lirc_mode2_user to TEST_GEN_PROGS_EXTENDED USB: Fix chipmunk-like voice when using Logitech C270 for recording audio. USB: usb-storage: Add new ID to ums-realtek udmabuf: actually unmap the scatterlist net: fix indirect calls helpers for ptype list hooks. net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous() scsi: ufs: Check that space was properly alloced in copy_query_response udp: only choose unbound UDP socket for multicast when not in a VRF net/tls: replace the sleeping lock around RX resync with a bit lock Revert "net/tls: avoid NULL-deref on resync during device removal" block: aoe: no need to check return value of debugfs_create functions net: dsa: sja1105: Fix link speed not working at 100 Mbps and below net: phylink: avoid reducing support mask scripts/checkstack.pl: Fix arm64 wrong or unknown architecture kbuild: tar-pkg: enable communication with jobserver kconfig: tests: fix recursive inclusion unit test kbuild: teach kselftest-merge to find nested config files nvmet: fix data_len to 0 for bdev-backed write_zeroes MAINTAINERS: Hand over skd maintainership ASoC: sun4i-i2s: Add offset to RX channel select ASoC: sun4i-i2s: Fix sun8i tx channel offset mask ASoC: max98090: remove 24-bit format support if RJ is 0 ASoC: da7219: Fix build error without CONFIG_I2C ASoC: SOF: Intel: hda: Fix COMPILE_TEST build error drm/arm/hdlcd: Allow a bit of clock tolerance drm/arm/hdlcd: Actually validate CRTC modes drm/arm/mali-dp: Add a loop around the second set CVAL and try 5 times drm/komeda: fixing of DMA mapping sg segment warning netfilter: ipv6: nf_defrag: fix leakage of unqueued fragments habanalabs: Read upper bits of trace buffer from RWPHI arm64: arch_k3: Fix kconfig dependency warning drm: don't block fb changes for async plane updates drm/vc4: fix fb references in async update drm/msm: fix fb references in async update drm/amd: fix fb references in async update drm/rockchip: fix fb references in async update xen-blkfront: switch kcalloc to kvcalloc for large array allocation drm/mediatek: call mtk_dsi_stop() after mtk_drm_crtc_atomic_disable() drm/mediatek: clear num_pipes when unbind driver drm/mediatek: call drm_atomic_helper_shutdown() when unbinding driver drm/mediatek: unbind components in mtk_drm_unbind() drm/mediatek: fix unbind functions net: sfp: read eeprom in maximum 16 byte increments selftests: set sysctl bc_forwarding properly in router_broadcast.sh ANDROID: update gki aarch64 ABI representation net: ethernet: mediatek: Use NET_IP_ALIGN to judge if HW RX_2BYTE_OFFSET is enabled net: ethernet: mediatek: Use hw_feature to judge if HWLRO is supported net: ethernet: ti: cpsw_ethtool: fix ethtool ring param set ANDROID: gki_defconfig: Enable CMA, SLAB_FREELIST (RANDOM and HARDENED) on x86 bpf: udp: Avoid calling reuseport's bpf_prog from udp_gro bpf: udp: ipv6: Avoid running reuseport's bpf_prog from __udp6_lib_err rcu: locking and unlocking need to always be at least barriers ANDROID: gki_defconfig: enable SLAB_FREELIST_RANDOM, SLAB_FREELIST_HARDENED ANDROID: gki_defconfig: enable CMA and increase CMA_AREAS ASoC: SOF: fix DSP oops definitions in FW ABI ASoC: hda: fix unbalanced codec dev refcount for HDA_DEV_ASOC ASoC: SOF: ipc: replace fw ready bitfield with explicit bit ordering ASoC: SOF: bump to ABI 3.6 ASoC: SOF: soundwire: add initial soundwire support ASoC: SOF: uapi: mirror firmware changes ASoC: Intel: Baytrail: add quirk for Aegex 10 (RU2) tablet xfs: inode btree scrubber should calculate im_boffset correctly mmc: sdhci_am654: Fix SLOTTYPE write usb: typec: ucsi: ccg: fix memory leak in do_flash ANDROID: update gki aarch64 ABI representation habanalabs: Fix virtual address access via debugfs for 2MB pages drm/komeda: Constify the usage of komeda_component/pipeline/dev_funcs x86/power: Fix 'nosmt' vs hibernation triple fault during resume mm/vmalloc: Avoid rare case of flushing TLB with weird arguments mm/vmalloc: Fix calculation of direct map addr range PM: sleep: Add kerneldoc comments to some functions drm/i915/gvt: save RING_HEAD into vreg when vgpu switched out sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD mdesc: fix a missing-check bug in get_vdev_port_node_info() drm/i915/gvt: add F_CMD_ACCESS flag for wa regs sparc64: Fix regression in non-hypervisor TLB flush xcall packet: unconditionally free po->rollover Update my email address net: hns: Fix loopback test failed at copper ports Linux 5.2-rc3 net: dsa: mv88e6xxx: avoid error message on remove from VLAN 0 mm, compaction: make sure we isolate a valid PFN include/linux/generic-radix-tree.h: fix kerneldoc comment kernel/signal.c: trace_signal_deliver when signal_group_exit drivers/iommu/intel-iommu.c: fix variable 'iommu' set but not used spdxcheck.py: fix directory structures kasan: initialize tag to 0xff in __kasan_kmalloc z3fold: fix sheduling while atomic scripts/gdb: fix invocation when CONFIG_COMMON_CLK is not set mm/gup: continue VM_FAULT_RETRY processing even for pre-faults ocfs2: fix error path kobject memory leak memcg: make it work on sparse non-0-node systems mm, memcg: consider subtrees in memory.events prctl_set_mm: downgrade mmap_sem to read lock prctl_set_mm: refactor checks from validate_prctl_map kernel/fork.c: make max_threads symbol static arch/arm/boot/compressed/decompress.c: fix build error due to lz4 changes arch/parisc/configs/c8000_defconfig: remove obsoleted CONFIG_DEBUG_SLAB_LEAK mm/vmalloc.c: fix typo in comment lib/sort.c: fix kernel-doc notation warnings mm: fix Documentation/vm/hmm.rst Sphinx warnings treewide: fix typos of SPDX-License-Identifier crypto: ux500 - fix license comment syntax error MAINTAINERS: add I2C DT bindings to ARM platforms MAINTAINERS: add DT bindings to i2c drivers mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies() iwlwifi: mvm: change TLC config cmd sent by rs to be async iwlwifi: Fix double-free problems in iwl_req_fw_callback() iwlwifi: fix AX201 killer sku loading firmware issue iwlwifi: print fseq info upon fw assert iwlwifi: clear persistence bit according to device family iwlwifi: fix load in rfkill flow for unified firmware iwlwifi: mvm: remove d3_sram debugfs file bpf, riscv: clear high 32 bits for ALU32 add/sub/neg/lsh/rsh/arsh libbpf: Return btf_fd for load_sk_storage_btf HID: a4tech: fix horizontal scrolling HID: hyperv: Add a module description line net: dsa: sja1105: Don't store frame type in skb->cb block: print offending values when cloned rq limits are exceeded blk-mq: Document the blk_mq_hw_queue_to_node() arguments blk-mq: Fix spelling in a source code comment block: Fix bsg_setup_queue() kernel-doc header block: Fix rq_qos_wait() kernel-doc header block: Fix blk_mq_*_map_queues() kernel-doc headers block: Fix throtl_pending_timer_fn() kernel-doc header block: Convert blk_invalidate_devt() header into a non-kernel-doc header block/partitions/ldm: Convert a kernel-doc header into a non-kernel-doc header leds: avoid flush_work in atomic context cgroup: Include dying leaders with live threads in PROCS iterations cgroup: Implement css_task_iter_skip() cgroup: Call cgroup_release() before __exit_signal() netfilter: nf_tables: fix module autoload with inet family Revert "lockd: Show pid of lockd for remote locks" ALSA: hda/realtek - Update headset mode for ALC256 fs/adfs: fix filename fixup handling for "/" and "//" names fs/adfs: move append_filetype_suffix() into adfs_object_fixup() fs/adfs: remove truncated filename hashing fs/adfs: factor out filename fixup fs/adfs: factor out object fixups fs/adfs: factor out filename case lowering fs/adfs: factor out filename comparison ovl: doc: add non-standard corner cases pstore/ram: Run without kernel crash dump region MAINTAINERS: add Vasily Gorbik and Christian Borntraeger for s390 MAINTAINERS: Farewell Martin Schwidefsky pstore: Set tfm to NULL on free_buf_for_compression nds32: add new emulations for floating point instruction nds32: Avoid IEX status being incorrectly modified math-emu: Use statement expressions to fix Wshift-count-overflow warning net: correct zerocopy refcnt with udp MSG_MORE ethtool: Check for vlan etype or vlan tci when parsing flow_rule net: don't clear sock->sk early to avoid trouble in strparser net-gro: fix use-after-free read in napi_gro_frags() net: dsa: tag_8021q: Create a stable binary format net: dsa: tag_8021q: Change order of rx_vid setup net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value docs cgroups: add another example size for hugetlb NFSv4.1: Fix bug only first CB_NOTIFY_LOCK is handled NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake a waiter ipv4: tcp_input: fix stack out of bounds when parsing TCP options. mlxsw: spectrum: Prevent force of 56G mlxsw: spectrum_acl: Avoid warning after identical rules insertion SUNRPC: Fix a use after free when a server rejects the RPCSEC_GSS credential net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT SUNRPC fix regression in umount of a secure mount r8169: fix MAC address being lost in PCI D3 treewide: Add SPDX license identifier - Kbuild treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 225 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 224 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 223 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 222 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 221 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 220 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 218 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 217 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 216 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 215 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 214 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 213 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 211 treewide: Replace GPLv2 boilerplate/reference with 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Replace GPLv2 boilerplate/reference with SPDX - rule 133 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 132 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 131 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 130 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 129 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 128 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 127 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 126 net: core: support XDP generic on stacked devices. netvsc: unshare skb in VF rx handler udp: Avoid post-GRO UDP checksum recalculation nvme-tcp: fix queue mapping when queue count is limited nvme-rdma: fix queue mapping when queue count is limited fpga: zynqmp-fpga: Correctly handle error pointer selftests: vm: install test_vmalloc.sh for run_vmtests userfaultfd: selftest: fix compiler warning kselftest/cgroup: fix incorrect test_core skip kselftest/cgroup: fix unexpected testing failure on test_core kselftest/cgroup: fix unexpected testing failure on test_memcontrol xtensa: Fix section mismatch between memblock_reserve and mem_reserve signal/ptrace: Don't leak unitialized kernel memory with PTRACE_PEEK_SIGINFO mwifiex: Abort at too short BSS descriptor element mwifiex: Fix possible buffer overflows at parsing bss descriptor drm/i915/gvt: Assign NULL to the pointer after memory free. drm/i915/gvt: Check if cur_pt_type is valid x86: intel_epb: Do not build when CONFIG_PM is unset crypto: hmac - fix memory leak in hmac_init_tfm() crypto: jitterentropy - change back to module_init() ARM: dts: Drop bogus CLKSEL for timer12 on dra7 KVM: PPC: Book3S HV: Restore SPRG3 in kvmhv_p9_guest_entry() KVM: PPC: Book3S HV: Fix lockdep warning when entering guest on POWER9 KVM: PPC: Book3S HV: XIVE: Fix page offset when clearing ESB pages KVM: PPC: Book3S HV: XIVE: Take the srcu read lock when accessing memslots KVM: PPC: Book3S HV: XIVE: Do not clear IRQ data of passthrough interrupts KVM: PPC: Book3S HV: XIVE: Introduce a new mutex for the XIVE device drm/i915/gvt: Fix cmd length of VEB_DI_IECP drm/i915/gvt: refine ggtt range validation drm/i915/gvt: Fix vGPU CSFE_CHICKEN1_REG mmio handler drm/i915/gvt: Fix GFX_MODE handling drm/i915/gvt: Update force-to-nonpriv register whitelist drm/i915/gvt: Initialize intel_gvt_gtt_entry in stack ima: show rules with IMA_INMASK correctly evm: check hash algorithm passed to init_desc() scsi: libsas: delete sas port if expander discover failed scsi: libsas: only clear phy->in_shutdown after shutdown event done scsi: scsi_dh_alua: Fix possible null-ptr-deref scsi: smartpqi: properly set both the DMA mask and the coherent DMA mask scsi: zfcp: fix to prevent port_remove with pure auto scan LUNs (only sdevs) scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove scsi: libcxgbi: add a check for NULL pointer in cxgbi_check_route() net: phy: dp83867: Set up RGMII TX delay net: phy: dp83867: do not call config_init twice net: phy: dp83867: increase SGMII autoneg timer duration net: phy: dp83867: fix speed 10 in sgmii mode net: phy: marvell10g: report if the PHY fails to boot firmware net: phylink: ensure consistent phy interface mode cgroup: Use css_tryget() instead of css_tryget_online() in task_get_css() blk-mq: Fix memory leak in error handling usbip: usbip_host: fix stub_dev lock context imbalance regression net: sh_eth: fix mdio access in sh_eth_close() for R-Car Gen2 and RZ/A1 SoCs MIPS: uprobes: remove set but not used variable 'epc' s390/crypto: fix possible sleep during spinlock aquired MIPS: pistachio: Build uImage.gz by default MIPS: Make virt_addr_valid() return bool MIPS: Bounds check virt_addr_valid CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM RDMA/efa: Remove MAYEXEC flag check from mmap flow mlx5: avoid 64-bit division IB/hfi1: Validate page aligned for a given virtual address IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value IB/hfi1: Insure freeze_work work_struct is canceled on shutdown IB/rdmavt: Fix alloc_qpn() WARN_ON() ASoC: sun4i-codec: fix first delay on Speaker drm/amdgpu: reserve stollen vram for raven series media: venus: hfi_parser: fix a regression in parser selftests: bpf: fix compiler warning in flow_dissector test arm64: use the correct function type for __arm64_sys_ni_syscall arm64: use the correct function type in SYSCALL_DEFINE0 arm64: fix syscall_fn_t type block: don't protect generic_make_request_checks with blk_queue_enter block: move blk_exit_queue into __blk_release_queue selftests: bpf: complete sub-register zero extension checks selftests: bpf: move sub-register zero extension checks into subreg.c ovl: detect overlapping layers drm/i915/icl: Add WaDisableBankHangMode ALSA: fireface: Use ULL suffixes for 64-bit constants signal/arm64: Use force_sig not force_sig_fault for SIGKILL nl80211: fill all policy .type entries mac80211: free peer keys before vif down in mesh ANDROID: ABI out: Use the extension .xml rather then .out drm/mediatek: respect page offset for PRIME mmap calls drm/mediatek: adjust ddp clock control flow ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops KVM: PPC: Book3S HV: XIVE: Fix the enforced limit on the vCPU identifier KVM: PPC: Book3S HV: XIVE: Do not test the EQ flag validity when resetting KVM: PPC: Book3S HV: XIVE: Clear file mapping when device is released KVM: PPC: Book3S HV: Don't take kvm->lock around kvm_for_each_vcpu KVM: PPC: Book3S: Use new mutex to synchronize access to rtas token list KVM: PPC: Book3S HV: Use new mutex to synchronize MMU setup KVM: PPC: Book3S HV: Avoid touching arch.mmu_ready in XIVE release functions Revert "drivers: thermal: tsens: Add new operation to check if a sensor is enabled" net/mlx5e: Disable rxhash when CQE compress is enabled net/mlx5e: restrict the real_dev of vlan device is the same as uplink device net/mlx5: Allocate root ns memory using kzalloc to match kfree net/mlx5: Avoid double free in fs init error unwinding path net/mlx5: Avoid double free of root ns in the error flow path net/mlx5: Fix error handling in mlx5_load() Documentation: net-sysfs: Remove duplicate PHY device documentation llc: fix skb leak in llc_build_and_send_ui_pkt() selftests: pmtu: Fix encapsulating device in pmtu_vti6_link_change_mtu dfs_cache: fix a wrong use of kfree in flush_cache_ent() fs/cifs/smb2pdu.c: fix buffer free in SMB2_ioctl_free cifs: fix memory leak of pneg_inbuf on -EOPNOTSUPP ioctl case xenbus: Avoid deadlock during suspend due to open transactions xen/pvcalls: Remove set but not used variable tracing: Avoid memory leak in predicate_parse() habanalabs: fix bug in checking huge page optimization mmc: sdhci: Fix SDIO IRQ thread deadlock dpaa_eth: use only online CPU portals net: mvneta: Fix err code path of probe net: stmmac: Do not output error on deferred probe Btrfs: fix race updating log root item during fsync Btrfs: fix wrong ctime and mtime of a directory after log replay ARC: [plat-hsdk] Get rid of inappropriate PHY settings ARC: [plat-hsdk]: Add support of Vivante GPU ARC: [plat-hsdk]: enable creg-gpio controller Btrfs: fix fsync not persisting changed attributes of a directory btrfs: qgroup: Check bg while resuming relocation to avoid NULL pointer dereference btrfs: reloc: Also queue orphan reloc tree for cleanup to avoid BUG_ON() Btrfs: incremental send, fix emission of invalid clone operations Btrfs: incremental send, fix file corruption when no-holes feature is enabled btrfs: correct zstd workspace manager lock to use spin_lock_bh() btrfs: Ensure replaced device doesn't have pending chunk allocation ia64: fix build errors by exporting paddr_to_nid() ASoC: SOF: Intel: hda: fix the hda init chip ASoC: SOF: ipc: fix a race, leading to IPC timeouts ASoC: SOF: control: correct the copy size for bytes kcontrol put ASoC: SOF: pcm: remove warning - initialize workqueue on open ASoC: SOF: pcm: clear hw_params_upon_resume flag correctly ASoC: SOF: core: fix error handling with the probe workqueue ASoC: SOF: core: remove snd_soc_unregister_component in case of error ASoC: SOF: core: remove DSP after unregistering machine driver ASoC: soc-core: fixup references at soc_cleanup_card_resources() arm64/module: revert to unsigned interpretation of ABS16/32 relocations KVM: s390: Do not report unusabled IDs via KVM_CAP_MAX_VCPU_ID kvm: fix compile on s390 part 2 xprtrdma: Use struct_size() in kzalloc() tools headers UAPI: Sync kvm.h headers with the kernel sources perf record: Fix s390 missing module symbol and warning for non-root users perf machine: Read also the end of the kernel perf test vmlinux-kallsyms: Ignore aliases to _etext when searching on kallsyms perf session: Add missing swap ops for namespace events perf namespace: Protect reading thread's namespace tools headers UAPI: Sync drm/drm.h with the kernel s390/crypto: fix gcm-aes-s390 selftest failures s390/zcrypt: Fix wrong dispatching for control domain CPRBs s390/pci: fix assignment of bus resources s390/pci: fix struct definition for set PCI function s390: mark __cpacf_check_opcode() and cpacf_query_func() as __always_inline s390: add unreachable() to dump_fault_info() to fix -Wmaybe-uninitialized tools headers UAPI: Sync drm/i915_drm.h with the kernel tools headers UAPI: Sync linux/fs.h with the kernel tools headers UAPI: Sync linux/sched.h with the kernel tools arch x86: Sync asm/cpufeatures.h with the with the kernel tools include UAPI: Update copy of files related to new fspick, fsmount, fsconfig, fsopen, move_mount and open_tree syscalls perf arm64: Fix mksyscalltbl when system kernel headers are ahead of the kernel perf data: Fix 'strncat may truncate' build failure with recent gcc arm64: Fix the arm64_personality() syscall wrapper redirection rtw88: Make some symbols static rtw88: avoid circular locking between local->iflist_mtx and rtwdev->mutex rsi: Properly initialize data in rsi_sdio_ta_reset rtw88: fix unassigned rssi_level in rtw_sta_info rtw88: fix subscript above array bounds compiler warning fuse: extract helper for range writeback fuse: fix copy_file_range() in the writeback case mmc: meson-gx: fix irq ack mmc: tmio: fix SCC error handling to avoid false positive CRC error mmc: tegra: Fix a warning message memstick: mspro_block: Fix an error code in mspro_block_issue_req() mac80211: mesh: fix RCU warning nl80211: fix station_info pertid memory leak mac80211: Do not use stack memory with scatterlist for GMAC ALSA: line6: Assure canceling delayed work at disconnection configfs: Fix use-after-free when accessing sd->s_dentry ALSA: hda - Force polling mode on CNL for fixing codec communication i2c: synquacer: fix synquacer_i2c_doxfer() return value i2c: mlxcpld: Fix wrong initialization order in probe i2c: dev: fix potential memory leak in i2cdev_ioctl_rdwr RDMA/core: Fix panic when port_data isn't initialized RDMA/uverbs: Pass udata on uverbs error unwind RDMA/core: Clear out the udata before error unwind net: aquantia: tcp checksum 0xffff being handled incorrectly net: aquantia: fix LRO with FCS error net: aquantia: check rx csum for all packets in LRO session net: aquantia: tx clean budget logic error vhost: scsi: add weight support vhost: vsock: add weight support vhost_net: fix possible infinite loop vhost: introduce vhost_exceeds_weight() virtio: Fix indentation of VIRTIO_MMIO virtio: add unlikely() to WARN_ON_ONCE() iommu/vt-d: Set the right field for Page Walk Snoop iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock iommu: Add missing new line for dma type drm/etnaviv: lock MMU while dumping core block: Don't revalidate bdev of hidden gendisk loop: Don't change loop device under exclusive opener drm/imx: ipuv3-plane: fix atomic update status query for non-plus i.MX6Q drm/qxl: drop WARN_ONCE() iio: temperature: mlx90632 Relax the compatibility check iio: imu: st_lsm6dsx: fix PM support for st_lsm6dsx i2c controller staging:iio:ad7150: fix threshold mode config bit fuse: add FUSE_WRITE_KILL_PRIV fuse: fallocate: fix return with locked inode PCI: PM: Avoid possible suspend-to-idle issue ACPI: PM: Call pm_set_suspend_via_firmware() during hibernation ACPI/PCI: PM: Add missing wakeup.flags.valid checks ovl: support the FS_IOC_FS[SG]ETXATTR ioctls soundwire: stream: fix out of boundary access on port properties net: tulip: de4x5: Drop redundant MODULE_DEVICE_TABLE() selftests/tls: add test for sleeping even though there is data net/tls: fix no wakeup on partial reads selftests/tls: test for lowat overshoot with multiple records net/tls: fix lowat calculation if some data came from previous record dpaa2-eth: Make constant 64-bit long dpaa2-eth: Use PTR_ERR_OR_ZERO where appropriate dpaa2-eth: Fix potential spectre issue bonding/802.3ad: fix slave link initialization transition states io_uring: Fix __io_uring_register() false success net: ethtool: Document get_rxfh_context and set_rxfh_context ethtool ops net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail net: stmmac: fix csr_clk can't be zero issue net: stmmac: update rx tail pointer register to fix rx dma hang issue. ip_sockglue: Fix missing-check bug in ip_ra_control() ipv6_sockglue: Fix a missing-check bug in ip6_ra_control() efi: Allow the number of EFI configuration tables entries to be zero efi/x86/Add missing error handling to old_memmap 1:1 mapping code parisc: Fix compiler warnings in float emulation code parisc/slab: cleanup after /proc/slab_allocators removal bpf: sockmap, fix use after free from sleep in psock backlog workqueue net: sched: don't use tc_action->order during action dump cxgb4: Revert "cxgb4: Remove SGE_HOST_PAGE_SIZE dependency on page size" net: fec: fix the clk mismatch in failed_reset path habanalabs: Avoid using a non-initialized MMU cache mutex habanalabs: fix debugfs code uapi/habanalabs: add opcode for enable/disable device debug mode habanalabs: halt debug engines on user process close selftests: rtc: rtctest: specify timeouts selftests/harness: Allow test to configure timeout selftests/ftrace: Add checkbashisms meta-testcase selftests/ftrace: Make a script checkbashisms clean media: smsusb: better handle optional alignment test_firmware: Use correct snprintf() limit genwqe: Prevent an integer overflow in the ioctl parport: Fix mem leak in parport_register_dev_model fpga: dfl: expand minor range when registering chrdev region fpga: dfl: Add lockdep classes for pdata->lock fpga: dfl: afu: Pass the correct device to dma_mapping_error() fpga: stratix10-soc: fix use-after-free on s10_init() w1: ds2408: Fix typo after 49695ac468 (reset on output_write retry with readback) kheaders: Do not regenerate archive if config is not changed kheaders: Move from proc to sysfs drm/amd/display: Don't load DMCU for Raven 1 (v2) drm/i915: Maintain consistent documentation subsection ordering scripts/sphinx-pre-install: make it handle Sphinx versions docs: Fix conf.py for Sphinx 2.0 vt/fbcon: deinitialize resources in visual_init() after failed memory allocation xfs: fix broken log reservation debugging clocksource/drivers/timer-ti-dm: Change to new style declaration ASoC: core: lock client_mutex while removing link components ASoC: simple-card: Restore original configuration of DAI format {nl,mac}80211: allow 4addr AP operation on crypto controlled devices mac80211_hwsim: mark expected switch fall-through mac80211: fix rate reporting inside cfg80211_calculate_bitrate_he() mac80211: remove set but not used variable 'old' mac80211: handle deauthentication/disassociation from TDLS peer gpio: fix gpio-adp5588 build errors pinctrl: stmfx: Fix compile issue when CONFIG_OF_GPIO is not defined staging: kpc2000: Add dependency on MFD_CORE to kconfig symbol 'KPC2000' perf/ring-buffer: Use regular variables for nesting perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page data perf/ring_buffer: Add ordering to rb->nest increment perf/ring_buffer: Fix exposing a temporarily decreased data_head x86/CPU/AMD: Don't force the CPB cap when running under a hypervisor x86/boot: Provide KASAN compatible aliases for string routines ALSA: hda/realtek - Enable micmute LED for Huawei laptops Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD Input: silead - add MSSL0017 to acpi_device_id cxgb4: offload VLAN flows regardless of VLAN ethtype hsr: fix don't prune the master node from the node_db net: mvpp2: cls: Fix leaked ethtool_rx_flow_rule docs: fix multiple doc build warnings in enumeration.rst lib/list_sort: fix kerneldoc build error docs: fix numaperf.rst and add it to the doc tree doc: Cope with the deprecation of AutoReporter doc: Cope with Sphinx logging deprecations bpf: sockmap, restore sk_write_space when psock gets dropped selftests: bpf: add zero extend checks for ALU32 and/or/xor bpf, riscv: clear target register high 32-bits for and/or/xor on ALU32 spi: abort spi_sync if failed to prepare_transfer_hardware ALSA: hda/realtek - Set default power save node to 0 ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST powerpc/kexec: Fix loading of kernel + initramfs with kexec_file_load() MIPS: TXx9: Fix boot crash in free_initmem() MIPS: remove a space after -I to cope with header search paths for VDSO MIPS: mark ginvt() as __always_inline ipv4/igmp: fix another memory leak in igmpv3_del_delrec() bnxt_en: Device serial number is supported only for PFs. bnxt_en: Reduce memory usage when running in kdump kernel. bnxt_en: Fix possible BUG() condition when calling pci_disable_msix(). bnxt_en: Fix aggregation buffer leak under OOM condition. ipv6: Fix redirect with VRF net: stmmac: fix reset gpio free missing mISDN: make sure device name is NUL terminated net: macb: save/restore the remaining registers and features media: dvb: warning about dvb frequency limits produces too much noise net/tls: don't ignore netdev notifications if no TLS features net/tls: fix state removal with feature flags off net/tls: avoid NULL-deref on resync during device removal Documentation: add TLS offload documentation Documentation: tls: RSTify the ktls documentation Documentation: net: move device drivers docs to a submenu mISDN: Fix indenting in dsp_cmx.c ocelot: Dont allocate another multicast list, use __dev_mc_sync Validate required parameters in inet6_validate_link_af xhci: Use %zu for printing size_t type xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic() xhci: Fix immediate data transfer if buffer is already DMA mapped usb: xhci: avoid null pointer deref when bos field is NULL usb: xhci: Fix a potential null pointer dereference in xhci_debugfs_create_endpoint() xhci: update bounce buffer with correct sg num media: usb: siano: Fix false-positive "uninitialized variable" warning spi: spi-fsl-spi: call spi_finalize_current_message() at the end ALSA: hda/realtek - Check headset type by unplug and resume powerpc/perf: Fix MMCRA corruption by bhrb_filter powerpc/powernv: Return for invalid IMC domain HID: logitech-hidpp: Add support for the S510 remote control HID: multitouch: handle faulty Elo touch device selftests: netfilter: add flowtable test script netfilter: nft_flow_offload: IPCB is only valid for ipv4 family netfilter: nft_flow_offload: don't offload when sequence numbers need adjustment netfilter: nft_flow_offload: set liberal tracking mode for tcp netfilter: nf_flow_table: ignore DF bit setting ASoC: Intel: sof-rt5682: fix AMP quirk support ASoC: Intel: sof-rt5682: fix for codec button mapping clk: ti: clkctrl: Fix clkdm_clk handling clk: imx: imx8mm: fix int pll clk gate clk: sifive: restrict Kconfig scope for the FU540 PRCI driver RDMA/hns: Fix PD memory leak for internal allocation netfilter: nat: fix udp checksum corruption selftests: netfilter: missing error check when setting up veth interface RDMA/srp: Rename SRP sysfs name after IB device rename trigger ipvs: Fix use-after-free in ip_vs_in ARC: [plat-hsdk]: Add missing FIFO size entry in GMAC node ARC: [plat-hsdk]: Add missing multicast filter bins number to GMAC node samples, bpf: suppress compiler warning samples, bpf: fix to change the buffer size for read() bpf: Check sk_fullsock() before returning from bpf_sk_lookup() bpf: fix out-of-bounds read in __bpf_skc_lookup Documentation/networking: fix af_xdp.rst Sphinx warnings netfilter: nft_fib: Fix existence check support netfilter: nf_queue: fix reinject verdict handling dmaengine: sprd: Add interrupt support for 2-stage transfer dmaengine: sprd: Fix the right place to configure 2-stage transfer dmaengine: sprd: Fix block length overflow dmaengine: sprd: Fix the incorrect start for 2-stage destination channels dmaengine: sprd: Add validation of current descriptor in irq handler dmaengine: sprd: Fix the possible crash when getting descriptor status tty: max310x: Fix external crystal register setup serial: sh-sci: disable DMA for uart_console serial: imx: remove log spamming error message tty: serial: msm_serial: Fix XON/XOFF USB: serial: option: add Telit 0x1260 and 0x1261 compositions USB: serial: pl2303: add Allied Telesis VT-Kit3 USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode dmaengine: tegra210-adma: Fix spelling dmaengine: tegra210-adma: Fix channel FIFO configuration dmaengine: tegra210-adma: Fix crash during probe dmaengine: mediatek-cqdma: sleeping in atomic context dmaengine: dw-axi-dmac: fix null dereference when pointer first is null perf/x86/intel/ds: Fix EVENT vs. UEVENT PEBS constraints USB: rio500: update Documentation USB: rio500: simplify locking USB: rio500: fix memory leak in close after disconnect USB: rio500: refuse more than one device at a time usbip: usbip_host: fix BUG: sleeping function called from invalid context USB: sisusbvga: fix oops in error path of sisusb_probe USB: Add LPM quirk for Surface Dock GigE adapter media: usb: siano: Fix general protection fault in smsusb usb: mtu3: fix up undefined reference to usb_debug_root USB: Fix slab-out-of-bounds write in usb_get_bos_descriptor Input: elantech - enable middle button support on 2 ThinkPads dmaengine: fsl-qdma: Add improvement dmaengine: jz4780: Fix transfers being ACKed too soon gcc-plugins: Fix build failures under Darwin host MAINTAINERS: Update Stefan Wahren email address netfilter: nf_tables: fix oops during rule dump ARC: mm: SIGSEGV userspace trying to access kernel virtual memory ARC: fix build warnings ARM: dts: bcm: Add missing device_type = "memory" property soc: bcm: brcmstb: biuctrl: Register writes require a barrier soc: brcmstb: Fix error path for unsupported CPUs ARM: dts: dra71x: Disable usb4_tm target module ARM: dts: dra71x: Disable rtc target module ARM: dts: dra76x: Disable usb4_tm target module ARM: dts: dra76x: Disable rtc target module ASoC: simple-card: Fix configuration of DAI format ASoC: Intel: soc-acpi: Fix machine selection order ASoC: rt5677-spi: Handle over reading when flipping bytes ASoC: soc-dpm: fixup DAI active unbalance pinctrl: intel: Clear interrupt status in mask/unmask callback pinctrl: intel: Use GENMASK() consistently parisc: Allow building 64-bit kernel without -mlong-calls compiler option parisc: Kconfig: remove ARCH_DISCARD_MEMBLOCK staging: wilc1000: Fix some double unlock bugs in wilc_wlan_cleanup() staging: vc04_services: prevent integer overflow in create_pagelist() Staging: vc04_services: Fix a couple error codes staging: wlan-ng: fix adapter initialization failure staging: kpc2000: double unlock in error handling in kpc_dma_transfer() staging: kpc2000: Fix build error without CONFIG_UIO staging: kpc2000: fix build error on xtensa staging: erofs: set sb->s_root to NULL when failing from __getname() ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX firmware: imx: SCU irq should ONLY be enabled after SCU IPC is ready arm64: imx: Fix build error without CONFIG_SOC_BUS ima: fix wrong signed policy requirement when not appraising x86/ima: Check EFI_RUNTIME_SERVICES before using stacktrace: Unbreak stack_trace_save_tsk_reliable() HID: wacom: Sync INTUOSP2_BT touch state after each frame if necessary HID: wacom: Correct button numbering 2nd-gen Intuos Pro over Bluetooth HID: wacom: Send BTN_TOUCH in response to INTUOSP2_BT eraser contact HID: wacom: Don't report anything prior to the tool entering range HID: wacom: Don't set tool type until we're in range ASoC: cs42xx8: Add regcache mask dirty regulator: tps6507x: Fix boot regression due to testing wrong init_data pointer ASoC: fsl_asrc: Fix the issue about unsupported rate spi: bitbang: Fix NULL pointer dereference in spi_unregister_master Input: elan_i2c - increment wakeup count if wake source wireless: Skip directory when generating certificates ASoC: ak4458: rstn_control - return a non-zero on error only ASoC: soc-pcm: BE dai needs prepare when pause release after resume ASoC: ak4458: add return value for ak4458_probe ASoC : cs4265 : readable register too low ASoC: SOF: fix error in verbose ipc command parsing ASoC: SOF: fix race in FW boot timeout handling ASoC: SOF: nocodec: fix undefined reference iio: adc: ti-ads8688: fix timestamp is not updated in buffer iio: dac: ds4422/ds4424 fix chip verification HID: rmi: Use SET_REPORT request on control endpoint for Acer Switch 3 and 5 HID: logitech-hidpp: add support for the MX5500 keyboard HID: logitech-dj: add support for the Logitech MX5500's Bluetooth Mini-Receiver HID: i2c-hid: add iBall Aer3 to descriptor override spi: Fix Raspberry Pi breakage ARM: dts: dra76x: Update MMC2_HS200_MANUAL1 iodelay values ARM: dts: am57xx-idk: Remove support for voltage switching for SD card bus: ti-sysc: Handle devices with no control registers ARM: dts: Configure osc clock for d_can on am335x iio: imu: mpu6050: Fix FIFO layout for ICM20602 lkdtm/bugs: Adjust recursion test to avoid elision lkdtm/usercopy: Moves the KERNEL_DS test to non-canonical iio: adc: ads124: avoid buffer overflow iio: adc: modify NPCM ADC read reference voltage Change-Id: I98c823993370027391cc21dfb239c3049f025136 Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>	2019-07-01 17:41:24 -07:00
Pingfan Liu	125b860b25	mm/pageblock: throw compile error if pageblock_bits cannot hold MIGRATE_TYPES ... Currently, NR_PAGEBLOCK_BITS and MIGRATE_TYPES are not associated by code. If someone adds extra migrate type, then he may forget to enlarge the NR_PAGEBLOCK_BITS. Hence it requires some way to fix. NR_PAGEBLOCK_BITS depends on MIGRATE_TYPES, while these macro spread on two different .h file with reverse dependency, it is a little hard to refer to MIGRATE_TYPES in pageblock-flag.h. This patch tries to remind such relation in compiling-time. Link: http://lkml.kernel.org/r/1544508709-11358-1-git-send-email-kernelfans@gmail.com Signed-off-by: Pingfan Liu <kernelfans@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Michal Hocko <mhocko@suse.com> Cc: Pavel Tatashin <pavel.tatashin@microsoft.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2018-12-28 12:11:51 -08:00
David Rientjes	21dc7e0236	mm, compaction: persistently skip hugetlbfs pageblocks ... It is pointless to migrate hugetlb memory as part of memory compaction if the hugetlb size is equal to the pageblock order. No defragmentation is occurring in this condition. It is also pointless to for the freeing scanner to scan a pageblock where a hugetlb page is pinned. Unconditionally skip these pageblocks, and do so peristently so that they are not rescanned until it is observed that these hugepages are no longer pinned. It would also be possible to do this by involving the hugetlb subsystem in marking pageblocks to no longer be skipped when they hugetlb pages are freed. This is a simple solution that doesn't involve any additional subsystems in pageblock skip manipulation. [rientjes@google.com: fix build] Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1708201734390.117182@chino.kir.corp.google.com Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1708151639130.106658@chino.kir.corp.google.com Signed-off-by: David Rientjes <rientjes@google.com> Tested-by: Michal Hocko <mhocko@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2017-11-17 16:10:00 -08:00
Kirill A. Shutemov	d00181b96e	mm: use 'unsigned int' for page order ... Let's try to be consistent about data type of page order. [sfr@canb.auug.org.au: fix build (type of pageblock_order)] [hughd@google.com: some configs end up with MAX_ORDER and pageblock_order having different types] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Andrea Arcangeli <aarcange@redhat.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Christoph Lameter <cl@linux.com> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2015-11-06 17:50:42 -08:00
Mel Gorman	dc4b0caff2	mm: page_alloc: reduce number of times page_to_pfn is called ... In the free path we calculate page_to_pfn multiple times. Reduce that. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Jan Kara <jack@suse.cz> Cc: Michal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2014-06-04 16:54:09 -07:00
Mel Gorman	e58469bafd	mm: page_alloc: use word-based accesses for get/set pageblock bitmaps ... The test_bit operations in get/set pageblock flags are expensive. This patch reads the bitmap on a word basis and use shifts and masks to isolate the bits of interest. Similarly masks are used to set a local copy of the bitmap and then use cmpxchg to update the bitmap if there have been no other changes made in parallel. In a test running dd onto tmpfs the overhead of the pageblock-related functions went from 1.27% in profiles to 0.5%. In addition to the performance benefits, this patch closes races that are possible between: a) get_ and set_pageblock_migratetype(), where get_pageblock_migratetype() reads part of the bits before and other part of the bits after set_pageblock_migratetype() has updated them. b) set_pageblock_migratetype() and set_pageblock_skip(), where the non-atomic read-modify-update set bit operation in set_pageblock_skip() will cause lost updates to some bits changed in the set_pageblock_migratetype(). Joonsoo Kim first reported the case a) via code inspection. Vlastimil Babka's testing with a debug patch showed that either a) or b) occurs roughly once per mmtests' stress-highalloc benchmark (although not necessarily in the same pageblock). Furthermore during development of unrelated compaction patches, it was observed that frequent calls to {start,undo}_isolate_page_range() the race occurs several thousands of times and has resulted in NULL pointer dereferences in move_freepages() and free_one_page() in places where free_list[migratetype] is manipulated by e.g. list_move(). Further debugging confirmed that migratetype had invalid value of 6, causing out of bounds access to the free_list array. That confirmed that the race exist, although it may be extremely rare, and currently only fatal where page isolation is performed due to memory hot remove. Races on pageblocks being updated by set_pageblock_migratetype(), where both old and new migratetype are lower MIGRATE_RESERVE, currently cannot result in an invalid value being observed, although theoretically they may still lead to unexpected creation or destruction of MIGRATE_RESERVE pageblocks. Furthermore, things could get suddenly worse when memory isolation is used more, or when new migratetypes are added. After this patch, the race has no longer been observed in testing. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Reported-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Reported-and-tested-by: Vlastimil Babka <vbabka@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Jan Kara <jack@suse.cz> Cc: Michal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2014-06-04 16:54:09 -07:00
Wanpeng Li	4c42efa266	mm/pageblock: remove get/set_pageblock_flags ... get_pageblock_flags and set_pageblock_flags are not used any more, this patch removes them. Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Reviewed-by: Michal Hocko <mhocko@suse.cz> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2013-07-03 16:07:32 -07:00
Bartlomiej Zolnierkiewicz	627260595c	mm: compaction: fix bit ranges in {get,clear,set}_pageblock_skip() ... {get,clear,set}_pageblock_skip() use incorrect bit ranges (please compare to bit ranges used by {get,set}_pageblock_flags() used for migration types) and can overwrite pageblock migratetype of the next pageblock in the bitmap. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Mel Gorman <mgorman@suse.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-10-11 08:50:14 +09:00
Mel Gorman	bb13ffeb9f	mm: compaction: cache if a pageblock was scanned and no pages were isolated ... When compaction was implemented it was known that scanning could potentially be excessive. The ideal was that a counter be maintained for each pageblock but maintaining this information would incur a severe penalty due to a shared writable cache line. It has reached the point where the scanning costs are a serious problem, particularly on long-lived systems where a large process starts and allocates a large number of THPs at the same time. Instead of using a shared counter, this patch adds another bit to the pageblock flags called PG_migrate_skip. If a pageblock is scanned by either migrate or free scanner and 0 pages were isolated, the pageblock is marked to be skipped in the future. When scanning, this bit is checked before any scanning takes place and the block skipped if set. The main difficulty with a patch like this is "when to ignore the cached information?" If it's ignored too often, the scanning rates will still be excessive. If the information is too stale then allocations will fail that might have otherwise succeeded. In this patch o CMA always ignores the information o If the migrate and free scanner meet then the cached information will be discarded if it's at least 5 seconds since the last time the cache was discarded o If there are a large number of allocation failures, discard the cache. The time-based heuristic is very clumsy but there are few choices for a better event. Depending solely on multiple allocation failures still allows excessive scanning when THP allocations are failing in quick succession due to memory pressure. Waiting until memory pressure is relieved would cause compaction to continually fail instead of using reclaim/compaction to try allocate the page. The time-based mechanism is clumsy but a better option is not obvious. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Cc: Richard Davies <richard@arachsys.com> Cc: Shaohua Li <shli@kernel.org> Cc: Avi Kivity <avi@redhat.com> Acked-by: Rafael Aquini <aquini@redhat.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Michal Nazarewicz <mina86@mina86.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2012-10-09 16:22:50 +09:00
zeal	f19e77a3dc	include/linux/pageblock-flags.h: fix set_pageblock_flags() macro definiton ... The presently-unused macro was missing one parameter. Signed-off-by: zeal <zealcook@gmail.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2010-10-26 16:52:05 -07:00
Paul Jackson	c801ed3860	x86 boot: simplify pageblock_bits enum declaration ... The use of #defines with '##' pre-processor concatenation is a useful way to form several symbol names with a common pattern. But when there is just a single name obtained from that #define, it's just obfuscation. Better to just write the plain symbol name, as is. The following patch is a result of my wasting ten minutes looking through the kernel to figure out what 'PB_migrate_end' meant, and forgetting what I came to do, by the time I figured out that the #define PB_range macro defined it. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>	2008-05-25 10:55:11 +02:00
KAMEZAWA Hiroyuki	a5d76b54a3	memory unplug: page isolation ... Implement generic chunk-of-pages isolation method by using page grouping ops. This patch add MIGRATE_ISOLATE to MIGRATE_TYPES. By this - MIGRATE_TYPES increases. - bitmap for migratetype is enlarged. pages of MIGRATE_ISOLATE migratetype will not be allocated even if it is free. By this, you can isolated *freed* pages from users. How-to-free pages is not a purpose of this patch. You may use reclaim and migrate codes to free pages. If start_isolate_page_range(start,end) is called, - migratetype of the range turns to be MIGRATE_ISOLATE if its type is MIGRATE_MOVABLE. (*) this check can be updated if other memory reclaiming works make progress. - MIGRATE_ISOLATE is not on migratetype fallback list. - All free pages and will-be-freed pages are isolated. To check all pages in the range are isolated or not, use test_pages_isolated(), To cancel isolation, use undo_isolate_page_range(). Changes V6 -> V7 - removed unnecessary #ifdef There are HOLES_IN_ZONE handling codes...I'm glad if we can remove them.. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:43:02 -07:00
Mel Gorman	d9c2340052	Do not depend on MAX_ORDER when grouping pages by mobility ... Currently mobility grouping works at the MAX_ORDER_NR_PAGES level. This makes sense for the majority of users where this is also the huge page size. However, on platforms like ia64 where the huge page size is runtime configurable it is desirable to group at a lower order. On x86_64 and occasionally on x86, the hugepage size may not always be MAX_ORDER_NR_PAGES. This patch groups pages together based on the value of HUGETLB_PAGE_ORDER. It uses a compile-time constant if possible and a variable where the huge page size is runtime configurable. It is assumed that grouping should be done at the lowest sensible order and that the user would not want to override this. If this is not true, page_block order could be forced to a variable initialised via a boot-time kernel parameter. One potential issue with this patch is that IA64 now parses hugepagesz with early_param() instead of __setup(). __setup() is called after the memory allocator has been initialised and the pageblock bitmaps already setup. In tests on one IA64 there did not seem to be any problem with using early_param() and in fact may be more correct as it guarantees the parameter is handled before the parsing of hugepages=. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Andy Whitcroft <apw@shadowen.org> Acked-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:43:00 -07:00
Mel Gorman	64c5e135bf	don't group high order atomic allocations ... Grouping high-order atomic allocations together was intended to allow bursty users of atomic allocations to work such as e1000 in situations where their preallocated buffers were depleted. This did not work in at least one case with a wireless network adapter needing order-1 allocations frequently. To resolve that, the free pages used for min_free_kbytes were moved to separate contiguous blocks with the patch bias-the-location-of-pages-freed-for-min_free_kbytes-in-the-same-max_order_nr_pages-blocks. It is felt that keeping the free pages in the same contiguous blocks should be sufficient for bursty short-lived high-order atomic allocations to succeed, maybe even with the e1000. Even if there is a failure, increasing the value of min_free_kbytes will free pages as contiguous bloks in contrast to the standard buddy allocator which makes no attempt to keep the minimum number of free pages contiguous. This patch backs out grouping high order atomic allocations together to determine if it is really needed or not. If a new report comes in about high-order atomic allocations failing, the feature can be reintroduced to determine if it fixes the problem or not. As a side-effect, this patch reduces by 1 the number of bits required to track the mobility type of pages within a MAX_ORDER_NR_PAGES block. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:43:00 -07:00
Mel Gorman	56fd56b868	Bias the location of pages freed for min_free_kbytes in the same MAX_ORDER_NR_PAGES blocks ... The standard buddy allocator always favours the smallest block of pages. The effect of this is that the pages free to satisfy min_free_kbytes tends to be preserved since boot time at the same location of memory ffor a very long time and as a contiguous block. When an administrator sets the reserve at 16384 at boot time, it tends to be the same MAX_ORDER blocks that remain free. This allows the occasional high atomic allocation to succeed up until the point the blocks are split. In practice, it is difficult to split these blocks but when they do split, the benefit of having min_free_kbytes for contiguous blocks disappears. Additionally, increasing min_free_kbytes once the system has been running for some time has no guarantee of creating contiguous blocks. On the other hand, CONFIG_PAGE_GROUP_BY_MOBILITY favours splitting large blocks when there are no free pages of the appropriate type available. A side-effect of this is that all blocks in memory tends to be used up and the contiguous free blocks from boot time are not preserved like in the vanilla allocator. This can cause a problem if a new caller is unwilling to reclaim or does not reclaim for long enough. A failure scenario was found for a wireless network device allocating order-1 atomic allocations but the allocations were not intense or frequent enough for a whole block of pages to be preserved for MIGRATE_HIGHALLOC. This was reproduced on a desktop by booting with mem=256mb, forcing the driver to allocate at order-1, running a bittorrent client (downloading a debian ISO) and building a kernel with -j2. This patch addresses the problem on the desktop machine booted with mem=256mb. It works by setting aside a reserve of MAX_ORDER_NR_PAGES blocks, the number of which depends on the value of min_free_kbytes. These blocks are only fallen back to when there is no other free pages. Then the smallest possible page is used just like the normal buddy allocator instead of the largest possible page to preserve contiguous pages The pages in free lists in the reserve blocks are never taken for another migrate type. The results is that even if min_free_kbytes is set to a low value, contiguous blocks will be preserved in the MIGRATE_RESERVE blocks. This works better than the vanilla allocator because if min_free_kbytes is increased, a new reserve block will be chosen based on the location of reclaimable pages and the block will free up as contiguous pages. In the vanilla allocator, no effort is made to target a block of pages to free as contiguous pages and min_free_kbytes pages are scattered randomly. This effect has been observed on the test machine. min_free_kbytes was set initially low but it was kept as a contiguous free block within MIGRATE_RESERVE. min_free_kbytes was then set to a higher value and over a period of time, the free blocks were within the reserve and coalescing. How long it takes to free up depends on how quickly LRU is rotating. Amusingly, this means that more activity will free the blocks faster. This mechanism potentially replaces MIGRATE_HIGHALLOC as it may be more effective than grouping contiguous free pages together. It all depends on whether the number of active atomic high allocations exceeds min_free_kbytes or not. If the number of active allocations exceeds min_free_kbytes, it's worth it but maybe in that situation, min_free_kbytes should be set higher. Once there are no more reports of allocation failures, a patch will be submitted that backs out MIGRATE_HIGHALLOC and see if the reports stay missing. Credit to Mariusz Kozlowski for discovering the problem, describing the failure scenario and testing patches and scenarios. [akpm@linux-foundation.org: cleanups] Signed-off-by: Mel Gorman <mel@csn.ul.ie> Acked-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:43:00 -07:00
Mel Gorman	e12ba74d8f	Group short-lived and reclaimable kernel allocations ... This patch marks a number of allocations that are either short-lived such as network buffers or are reclaimable such as inode allocations. When something like updatedb is called, long-lived and unmovable kernel allocations tend to be spread throughout the address space which increases fragmentation. This patch groups these allocations together as much as possible by adding a new MIGRATE_TYPE. The MIGRATE_RECLAIMABLE type is for allocations that can be reclaimed on demand, but not moved. i.e. they can be migrated by deleting them and re-reading the information from elsewhere. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:43:00 -07:00
Mel Gorman	b2a0ac8875	Split the free lists for movable and unmovable allocations ... This patch adds the core of the fragmentation reduction strategy. It works by grouping pages together based on their ability to migrate or be reclaimed. Basically, it works by breaking the list in zone->free_area list into MIGRATE_TYPES number of lists. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:42:59 -07:00
Mel Gorman	835c134ec4	Add a bitmap that is used to track flags affecting a block of pages ... Here is the latest revision of the anti-fragmentation patches. Of particular note in this version is special treatment of high-order atomic allocations. Care is taken to group them together and avoid grouping pages of other types near them. Artifical tests imply that it works. I'm trying to get the hardware together that would allow setting up of a "real" test. If anyone already has a setup and test that can trigger the atomic-allocation problem, I'd appreciate a test of these patches and a report. The second major change is that these patches will apply cleanly with patches that implement anti-fragmentation through zones. kernbench shows effectively no performance difference varying between -0.2% and +2% on a variety of test machines. Success rates for huge page allocation are dramatically increased. For example, on a ppc64 machine, the vanilla kernel was only able to allocate 1% of memory as a hugepage and this was due to a single hugepage reserved as min_free_kbytes. With these patches applied, 17% was allocatable as superpages. With reclaim-related fixes from Andy Whitcroft, it was 40% and further reclaim-related improvements should increase this further. Changelog Since V28 o Group high-order atomic allocations together o It is no longer required to set min_free_kbytes to 10% of memory. A value of 16384 in most cases will be sufficient o Now applied with zone-based anti-fragmentation o Fix incorrect VM_BUG_ON within buffered_rmqueue() o Reorder the stack so later patches do not back out work from earlier patches o Fix bug were journal pages were being treated as movable o Bias placement of non-movable pages to lower PFNs o More agressive clustering of reclaimable pages in reactions to workloads like updatedb that flood the size of inode caches Changelog Since V27 o Renamed anti-fragmentation to Page Clustering. Anti-fragmentation was giving the mistaken impression that it was the 100% solution for high order allocations. Instead, it greatly increases the chances high-order allocations will succeed and lays the foundation for defragmentation and memory hot-remove to work properly o Redefine page groupings based on ability to migrate or reclaim instead of basing on reclaimability alone o Get rid of spurious inits o Per-cpu lists are no longer split up per-type. Instead the per-cpu list is searched for a page of the appropriate type o Added more explanation commentary o Fix up bug in pageblock code where bitmap was used before being initalised Changelog Since V26 o Fix double init of lists in setup_pageset Changelog Since V25 o Fix loop order of for_each_rclmtype_order so that order of loop matches args o gfpflags_to_rclmtype uses gfp_t instead of unsigned long o Rename get_pageblock_type() to get_page_rclmtype() o Fix alignment problem in move_freepages() o Add mechanism for assigning flags to blocks of pages instead of page->flags o On fallback, do not examine the preferred list of free pages a second time The purpose of these patches is to reduce external fragmentation by grouping pages of related types together. When pages are migrated (or reclaimed under memory pressure), large contiguous pages will be freed. This patch works by categorising allocations by their ability to migrate; Movable - The pages may be moved with the page migration mechanism. These are generally userspace pages. Reclaimable - These are allocations for some kernel caches that are reclaimable or allocations that are known to be very short-lived. Unmovable - These are pages that are allocated by the kernel that are not trivially reclaimed. For example, the memory allocated for a loaded module would be in this category. By default, allocations are considered to be of this type HighAtomic - These are high-order allocations belonging to callers that cannot sleep or perform any IO. In practice, this is restricted to jumbo frame allocation for network receive. It is assumed that the allocations are short-lived Instead of having one MAX_ORDER-sized array of free lists in struct free_area, there is one for each type of reclaimability. Once a 2^MAX_ORDER block of pages is split for a type of allocation, it is added to the free-lists for that type, in effect reserving it. Hence, over time, pages of the different types can be clustered together. When the preferred freelists are expired, the largest possible block is taken from an alternative list. Buddies that are split from that large block are placed on the preferred allocation-type freelists to mitigate fragmentation. This implementation gives best-effort for low fragmentation in all zones. Ideally, min_free_kbytes needs to be set to a value equal to 4 * (1 << (MAX_ORDER-1)) pages in most cases. This would be 16384 on x86 and x86_64 for example. Our tests show that about 60-70% of physical memory can be allocated on a desktop after a few days uptime. In benchmarks and stress tests, we are finding that 80% of memory is available as contiguous blocks at the end of the test. To compare, a standard kernel was getting < 1% of memory as large pages on a desktop and about 8-12% of memory as large pages at the end of stress tests. Following this email are 12 patches that implement thie page grouping feature. The first patch introduces a mechanism for storing flags related to a whole block of pages. Then allocations are split between movable and all other allocations. Following that are patches to deal with per-cpu pages and make the mechanism configurable. The next patch moves free pages between lists when partially allocated blocks are used for pages of another migrate type. The second last patch groups reclaimable kernel allocations such as inode caches together. The final patch related to groupings keeps high-order atomic allocations. The last two patches are more concerned with control of fragmentation. The second last patch biases placement of non-movable allocations towards the start of memory. This is with a view of supporting memory hot-remove of DIMMs with higher PFNs in the future. The biasing could be enforced a lot heavier but it would cost. The last patch agressively clusters reclaimable pages like inode caches together. The fragmentation reduction strategy needs to track if pages within a block can be moved or reclaimed so that pages are freed to the appropriate list. This patch adds a bitmap for flags affecting a whole a MAX_ORDER block of pages. In non-SPARSEMEM configurations, the bitmap is stored in the struct zone and allocated during initialisation. SPARSEMEM statically allocates the bitmap in a struct mem_section so that bitmaps do not have to be resized during memory hotadd. This wastes a small amount of memory per unused section (usually sizeof(unsigned long)) but the complexity of dynamically allocating the memory is quite high. Additional credit to Andy Whitcroft who reviewed up an earlier implementation of the mechanism an suggested how to make it a *lot* cleaner. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>	2007-10-16 09:42:59 -07:00