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Merge branch 'akpm' (patches from Andrew)

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Merge updates from Andrew Morton:
 "A few little subsystems and a start of a lot of MM patches.

  Subsystems affected by this patch series: squashfs, ocfs2, parisc,
  vfs. With mm subsystems: slab-generic, slub, debug, pagecache, gup,
  swap, memcg, pagemap, memory-failure, vmalloc, kasan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits)
  kasan: move kasan_report() into report.c
  mm/mm_init.c: report kasan-tag information stored in page->flags
  ubsan: entirely disable alignment checks under UBSAN_TRAP
  kasan: fix clang compilation warning due to stack protector
  x86/mm: remove vmalloc faulting
  mm: remove vmalloc_sync_(un)mappings()
  x86/mm/32: implement arch_sync_kernel_mappings()
  x86/mm/64: implement arch_sync_kernel_mappings()
  mm/ioremap: track which page-table levels were modified
  mm/vmalloc: track which page-table levels were modified
  mm: add functions to track page directory modifications
  s390: use __vmalloc_node in stack_alloc
  powerpc: use __vmalloc_node in alloc_vm_stack
  arm64: use __vmalloc_node in arch_alloc_vmap_stack
  mm: remove vmalloc_user_node_flags
  mm: switch the test_vmalloc module to use __vmalloc_node
  mm: remove __vmalloc_node_flags_caller
  mm: remove both instances of __vmalloc_node_flags
  mm: remove the prot argument to __vmalloc_node
  mm: remove the pgprot argument to __vmalloc
  ...
This commit is contained in:
Linus Torvalds
2020-06-02 12:21:36 -07:00
parent 17839856fd 4fba37586e
commit 94709049fb
195 changed files with 2199 additions and 2198 deletions
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24
Documentation/admin-guide/cgroup-v2.rst
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@@ -1329,6 +1329,10 @@ PAGE_SIZE multiple when read back.
workingset_activate
Number of refaulted pages that were immediately activated
workingset_restore
Number of restored pages which have been detected as an active
workingset before they got reclaimed.
workingset_nodereclaim
Number of times a shadow node has been reclaimed
@@ -1370,6 +1374,22 @@ PAGE_SIZE multiple when read back.
The total amount of swap currently being used by the cgroup
and its descendants.
memory.swap.high
A read-write single value file which exists on non-root
cgroups. The default is "max".
Swap usage throttle limit. If a cgroup's swap usage exceeds
this limit, all its further allocations will be throttled to
allow userspace to implement custom out-of-memory procedures.
This limit marks a point of no return for the cgroup. It is NOT
designed to manage the amount of swapping a workload does
during regular operation. Compare to memory.swap.max, which
prohibits swapping past a set amount, but lets the cgroup
continue unimpeded as long as other memory can be reclaimed.
Healthy workloads are not expected to reach this limit.
memory.swap.max
A read-write single value file which exists on non-root
cgroups. The default is "max".
@@ -1383,6 +1403,10 @@ PAGE_SIZE multiple when read back.
otherwise, a value change in this file generates a file
modified event.
high
The number of times the cgroup's swap usage was over
the high threshold.
max
The number of times the cgroup's swap usage was about
to go over the max boundary and swap allocation