LXR linux/include/linux/vm_event

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef VM_EVENT_ITEM_H_INCLUDED
   3#define VM_EVENT_ITEM_H_INCLUDED
   4
   5#ifdef CONFIG_ZONE_DMA
   6#define DMA_ZONE(xx) xx##_DMA,
   7#else
   8#define DMA_ZONE(xx)
   9#endif
  10
  11#ifdef CONFIG_ZONE_DMA32
  12#define DMA32_ZONE(xx) xx##_DMA32,
  13#else
  14#define DMA32_ZONE(xx)
  15#endif
  16
  17#ifdef CONFIG_HIGHMEM
  18#define HIGHMEM_ZONE(xx) xx##_HIGH,
  19#else
  20#define HIGHMEM_ZONE(xx)
  21#endif
  22
  23#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE
  24
  25enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
  26                FOR_ALL_ZONES(PGALLOC),
  27                FOR_ALL_ZONES(ALLOCSTALL),
  28                FOR_ALL_ZONES(PGSCAN_SKIP),
  29                PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
  30                PGFAULT, PGMAJFAULT,
  31                PGLAZYFREED,
  32                PGREFILL,
  33                PGREUSE,
  34                PGSTEAL_KSWAPD,
  35                PGSTEAL_DIRECT,
  36                PGDEMOTE_KSWAPD,
  37                PGDEMOTE_DIRECT,
  38                PGSCAN_KSWAPD,
  39                PGSCAN_DIRECT,
  40                PGSCAN_DIRECT_THROTTLE,
  41                PGSCAN_ANON,
  42                PGSCAN_FILE,
  43                PGSTEAL_ANON,
  44                PGSTEAL_FILE,
  45#ifdef CONFIG_NUMA
  46                PGSCAN_ZONE_RECLAIM_FAILED,
  47#endif
  48                PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  49                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  50                PAGEOUTRUN, PGROTATED,
  51                DROP_PAGECACHE, DROP_SLAB,
  52                OOM_KILL,
  53#ifdef CONFIG_NUMA_BALANCING
  54                NUMA_PTE_UPDATES,
  55                NUMA_HUGE_PTE_UPDATES,
  56                NUMA_HINT_FAULTS,
  57                NUMA_HINT_FAULTS_LOCAL,
  58                NUMA_PAGE_MIGRATE,
  59#endif
  60#ifdef CONFIG_MIGRATION
  61                PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  62                THP_MIGRATION_SUCCESS,
  63                THP_MIGRATION_FAIL,
  64                THP_MIGRATION_SPLIT,
  65#endif
  66#ifdef CONFIG_COMPACTION
  67                COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  68                COMPACTISOLATED,
  69                COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  70                KCOMPACTD_WAKE,
  71                KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
  72#endif
  73#ifdef CONFIG_HUGETLB_PAGE
  74                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
  75#endif
  76#ifdef CONFIG_CMA
  77                CMA_ALLOC_SUCCESS,
  78                CMA_ALLOC_FAIL,
  79#endif
  80                UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
  81                UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
  82                UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
  83                UNEVICTABLE_PGMLOCKED,
  84                UNEVICTABLE_PGMUNLOCKED,
  85                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
  86                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
  87#ifdef CONFIG_TRANSPARENT_HUGEPAGE
  88                THP_FAULT_ALLOC,
  89                THP_FAULT_FALLBACK,
  90                THP_FAULT_FALLBACK_CHARGE,
  91                THP_COLLAPSE_ALLOC,
  92                THP_COLLAPSE_ALLOC_FAILED,
  93                THP_FILE_ALLOC,
  94                THP_FILE_FALLBACK,
  95                THP_FILE_FALLBACK_CHARGE,
  96                THP_FILE_MAPPED,
  97                THP_SPLIT_PAGE,
  98                THP_SPLIT_PAGE_FAILED,
  99                THP_DEFERRED_SPLIT_PAGE,
 100                THP_SPLIT_PMD,
 101#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
 102                THP_SPLIT_PUD,
 103#endif
 104                THP_ZERO_PAGE_ALLOC,
 105                THP_ZERO_PAGE_ALLOC_FAILED,
 106                THP_SWPOUT,
 107                THP_SWPOUT_FALLBACK,
 108#endif
 109#ifdef CONFIG_MEMORY_BALLOON
 110                BALLOON_INFLATE,
 111                BALLOON_DEFLATE,
 112#ifdef CONFIG_BALLOON_COMPACTION
 113                BALLOON_MIGRATE,
 114#endif
 115#endif
 116#ifdef CONFIG_DEBUG_TLBFLUSH
 117                NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
 118                NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
 119                NR_TLB_LOCAL_FLUSH_ALL,
 120                NR_TLB_LOCAL_FLUSH_ONE,
 121#endif /* CONFIG_DEBUG_TLBFLUSH */
 122#ifdef CONFIG_DEBUG_VM_VMACACHE
 123                VMACACHE_FIND_CALLS,
 124                VMACACHE_FIND_HITS,
 125#endif
 126#ifdef CONFIG_SWAP
 127                SWAP_RA,
 128                SWAP_RA_HIT,
 129#endif
 130#ifdef CONFIG_X86
 131                DIRECT_MAP_LEVEL2_SPLIT,
 132                DIRECT_MAP_LEVEL3_SPLIT,
 133#endif
 134                NR_VM_EVENT_ITEMS
 135};
 136
 137#ifndef CONFIG_TRANSPARENT_HUGEPAGE
 138#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
 139#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
 140#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
 141#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
 142#endif
 143
 144#endif          /* VM_EVENT_ITEM_H_INCLUDED */
 145