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- /* SPDX-License-Identifier: GPL-2.0 */
- #include <linux/node.h>
- #include <linux/mmzone.h>
- #include <linux/compaction.h>
- /*
- * The order of these masks is important. Matching masks will be seen
- * first and the left over flags will end up showing by themselves.
- *
- * For example, if we have GFP_KERNEL before GFP_USER we wil get:
- *
- * GFP_KERNEL|GFP_HARDWALL
- *
- * Thus most bits set go first.
- */
- #define gfpflag_string(flag) {(__force unsigned long)flag, #flag}
- #define __def_gfpflag_names \
- gfpflag_string(GFP_TRANSHUGE), \
- gfpflag_string(GFP_TRANSHUGE_LIGHT), \
- gfpflag_string(GFP_HIGHUSER_MOVABLE), \
- gfpflag_string(GFP_HIGHUSER), \
- gfpflag_string(GFP_USER), \
- gfpflag_string(GFP_KERNEL_ACCOUNT), \
- gfpflag_string(GFP_KERNEL), \
- gfpflag_string(GFP_NOFS), \
- gfpflag_string(GFP_ATOMIC), \
- gfpflag_string(GFP_NOIO), \
- gfpflag_string(GFP_NOWAIT), \
- gfpflag_string(GFP_DMA), \
- gfpflag_string(__GFP_HIGHMEM), \
- gfpflag_string(GFP_DMA32), \
- gfpflag_string(__GFP_HIGH), \
- gfpflag_string(__GFP_ATOMIC), \
- gfpflag_string(__GFP_IO), \
- gfpflag_string(__GFP_FS), \
- gfpflag_string(__GFP_NOWARN), \
- gfpflag_string(__GFP_RETRY_MAYFAIL), \
- gfpflag_string(__GFP_NOFAIL), \
- gfpflag_string(__GFP_NORETRY), \
- gfpflag_string(__GFP_COMP), \
- gfpflag_string(__GFP_ZERO), \
- gfpflag_string(__GFP_NOMEMALLOC), \
- gfpflag_string(__GFP_MEMALLOC), \
- gfpflag_string(__GFP_HARDWALL), \
- gfpflag_string(__GFP_THISNODE), \
- gfpflag_string(__GFP_RECLAIMABLE), \
- gfpflag_string(__GFP_MOVABLE), \
- gfpflag_string(__GFP_ACCOUNT), \
- gfpflag_string(__GFP_WRITE), \
- gfpflag_string(__GFP_RECLAIM), \
- gfpflag_string(__GFP_DIRECT_RECLAIM), \
- gfpflag_string(__GFP_KSWAPD_RECLAIM), \
- gfpflag_string(__GFP_ZEROTAGS), \
- gfpflag_string(__GFP_CMA)
- #ifdef CONFIG_KASAN_HW_TAGS
- #define __def_gfpflag_names_kasan , \
- gfpflag_string(__GFP_SKIP_ZERO), \
- gfpflag_string(__GFP_SKIP_KASAN_POISON), \
- gfpflag_string(__GFP_SKIP_KASAN_UNPOISON)
- #else
- #define __def_gfpflag_names_kasan
- #endif
- #define show_gfp_flags(flags) \
- (flags) ? __print_flags(flags, "|", \
- __def_gfpflag_names __def_gfpflag_names_kasan \
- ) : "none"
- #ifdef CONFIG_MMU
- #define IF_HAVE_PG_MLOCK(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_MLOCK(flag,string)
- #endif
- #ifdef CONFIG_ARCH_USES_PG_UNCACHED
- #define IF_HAVE_PG_UNCACHED(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_UNCACHED(flag,string)
- #endif
- #ifdef CONFIG_MEMORY_FAILURE
- #define IF_HAVE_PG_HWPOISON(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_HWPOISON(flag,string)
- #endif
- #if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT)
- #define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_IDLE(flag,string)
- #endif
- #ifdef CONFIG_64BIT
- #define IF_HAVE_PG_ARCH_2(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_ARCH_2(flag,string)
- #endif
- #ifdef CONFIG_KASAN_HW_TAGS
- #define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string) ,{1UL << flag, string}
- #else
- #define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string)
- #endif
- #define __def_pageflag_names \
- {1UL << PG_locked, "locked" }, \
- {1UL << PG_waiters, "waiters" }, \
- {1UL << PG_error, "error" }, \
- {1UL << PG_referenced, "referenced" }, \
- {1UL << PG_uptodate, "uptodate" }, \
- {1UL << PG_dirty, "dirty" }, \
- {1UL << PG_lru, "lru" }, \
- {1UL << PG_active, "active" }, \
- {1UL << PG_workingset, "workingset" }, \
- {1UL << PG_slab, "slab" }, \
- {1UL << PG_owner_priv_1, "owner_priv_1" }, \
- {1UL << PG_arch_1, "arch_1" }, \
- {1UL << PG_reserved, "reserved" }, \
- {1UL << PG_private, "private" }, \
- {1UL << PG_private_2, "private_2" }, \
- {1UL << PG_writeback, "writeback" }, \
- {1UL << PG_head, "head" }, \
- {1UL << PG_mappedtodisk, "mappedtodisk" }, \
- {1UL << PG_reclaim, "reclaim" }, \
- {1UL << PG_swapbacked, "swapbacked" }, \
- {1UL << PG_unevictable, "unevictable" } \
- IF_HAVE_PG_MLOCK(PG_mlocked, "mlocked" ) \
- IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \
- IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \
- IF_HAVE_PG_IDLE(PG_young, "young" ) \
- IF_HAVE_PG_IDLE(PG_idle, "idle" ) \
- IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" ) \
- IF_HAVE_PG_SKIP_KASAN_POISON(PG_skip_kasan_poison, "skip_kasan_poison")
- #define show_page_flags(flags) \
- (flags) ? __print_flags(flags, "|", \
- __def_pageflag_names \
- ) : "none"
- #if defined(CONFIG_X86)
- #define __VM_ARCH_SPECIFIC_1 {VM_PAT, "pat" }
- #elif defined(CONFIG_PPC)
- #define __VM_ARCH_SPECIFIC_1 {VM_SAO, "sao" }
- #elif defined(CONFIG_PARISC) || defined(CONFIG_IA64)
- #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP, "growsup" }
- #elif !defined(CONFIG_MMU)
- #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy" }
- #else
- #define __VM_ARCH_SPECIFIC_1 {VM_ARCH_1, "arch_1" }
- #endif
- #ifdef CONFIG_MEM_SOFT_DIRTY
- #define IF_HAVE_VM_SOFTDIRTY(flag,name) {flag, name },
- #else
- #define IF_HAVE_VM_SOFTDIRTY(flag,name)
- #endif
- #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
- # define IF_HAVE_UFFD_MINOR(flag, name) {flag, name},
- #else
- # define IF_HAVE_UFFD_MINOR(flag, name)
- #endif
- #define __def_vmaflag_names \
- {VM_READ, "read" }, \
- {VM_WRITE, "write" }, \
- {VM_EXEC, "exec" }, \
- {VM_SHARED, "shared" }, \
- {VM_MAYREAD, "mayread" }, \
- {VM_MAYWRITE, "maywrite" }, \
- {VM_MAYEXEC, "mayexec" }, \
- {VM_MAYSHARE, "mayshare" }, \
- {VM_GROWSDOWN, "growsdown" }, \
- {VM_UFFD_MISSING, "uffd_missing" }, \
- IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \
- {VM_PFNMAP, "pfnmap" }, \
- {VM_UFFD_WP, "uffd_wp" }, \
- {VM_LOCKED, "locked" }, \
- {VM_IO, "io" }, \
- {VM_SEQ_READ, "seqread" }, \
- {VM_RAND_READ, "randread" }, \
- {VM_DONTCOPY, "dontcopy" }, \
- {VM_DONTEXPAND, "dontexpand" }, \
- {VM_LOCKONFAULT, "lockonfault" }, \
- {VM_ACCOUNT, "account" }, \
- {VM_NORESERVE, "noreserve" }, \
- {VM_HUGETLB, "hugetlb" }, \
- {VM_SYNC, "sync" }, \
- __VM_ARCH_SPECIFIC_1 , \
- {VM_WIPEONFORK, "wipeonfork" }, \
- {VM_DONTDUMP, "dontdump" }, \
- IF_HAVE_VM_SOFTDIRTY(VM_SOFTDIRTY, "softdirty" ) \
- {VM_MIXEDMAP, "mixedmap" }, \
- {VM_HUGEPAGE, "hugepage" }, \
- {VM_NOHUGEPAGE, "nohugepage" }, \
- {VM_MERGEABLE, "mergeable" } \
- #define show_vma_flags(flags) \
- (flags) ? __print_flags(flags, "|", \
- __def_vmaflag_names \
- ) : "none"
- #ifdef CONFIG_COMPACTION
- #define COMPACTION_STATUS \
- EM( COMPACT_SKIPPED, "skipped") \
- EM( COMPACT_DEFERRED, "deferred") \
- EM( COMPACT_CONTINUE, "continue") \
- EM( COMPACT_SUCCESS, "success") \
- EM( COMPACT_PARTIAL_SKIPPED, "partial_skipped") \
- EM( COMPACT_COMPLETE, "complete") \
- EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \
- EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \
- EMe(COMPACT_CONTENDED, "contended")
- /* High-level compaction status feedback */
- #define COMPACTION_FAILED 1
- #define COMPACTION_WITHDRAWN 2
- #define COMPACTION_PROGRESS 3
- #define compact_result_to_feedback(result) \
- ({ \
- enum compact_result __result = result; \
- (compaction_failed(__result)) ? COMPACTION_FAILED : \
- (compaction_withdrawn(__result)) ? COMPACTION_WITHDRAWN : COMPACTION_PROGRESS; \
- })
- #define COMPACTION_FEEDBACK \
- EM(COMPACTION_FAILED, "failed") \
- EM(COMPACTION_WITHDRAWN, "withdrawn") \
- EMe(COMPACTION_PROGRESS, "progress")
- #define COMPACTION_PRIORITY \
- EM(COMPACT_PRIO_SYNC_FULL, "COMPACT_PRIO_SYNC_FULL") \
- EM(COMPACT_PRIO_SYNC_LIGHT, "COMPACT_PRIO_SYNC_LIGHT") \
- EMe(COMPACT_PRIO_ASYNC, "COMPACT_PRIO_ASYNC")
- #else
- #define COMPACTION_STATUS
- #define COMPACTION_PRIORITY
- #define COMPACTION_FEEDBACK
- #endif
- #ifdef CONFIG_ZONE_DMA
- #define IFDEF_ZONE_DMA(X) X
- #else
- #define IFDEF_ZONE_DMA(X)
- #endif
- #ifdef CONFIG_ZONE_DMA32
- #define IFDEF_ZONE_DMA32(X) X
- #else
- #define IFDEF_ZONE_DMA32(X)
- #endif
- #ifdef CONFIG_HIGHMEM
- #define IFDEF_ZONE_HIGHMEM(X) X
- #else
- #define IFDEF_ZONE_HIGHMEM(X)
- #endif
- #define ZONE_TYPE \
- IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \
- IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \
- EM (ZONE_NORMAL, "Normal") \
- IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \
- EMe(ZONE_MOVABLE,"Movable")
- #define LRU_NAMES \
- EM (LRU_INACTIVE_ANON, "inactive_anon") \
- EM (LRU_ACTIVE_ANON, "active_anon") \
- EM (LRU_INACTIVE_FILE, "inactive_file") \
- EM (LRU_ACTIVE_FILE, "active_file") \
- EMe(LRU_UNEVICTABLE, "unevictable")
- /*
- * First define the enums in the above macros to be exported to userspace
- * via TRACE_DEFINE_ENUM().
- */
- #undef EM
- #undef EMe
- #define EM(a, b) TRACE_DEFINE_ENUM(a);
- #define EMe(a, b) TRACE_DEFINE_ENUM(a);
- COMPACTION_STATUS
- COMPACTION_PRIORITY
- /* COMPACTION_FEEDBACK are defines not enums. Not needed here. */
- ZONE_TYPE
- LRU_NAMES
- /*
- * Now redefine the EM() and EMe() macros to map the enums to the strings
- * that will be printed in the output.
- */
- #undef EM
- #undef EMe
- #define EM(a, b) {a, b},
- #define EMe(a, b) {a, b}
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