include/linux/vm_event_item.h

   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
  25 enum 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                 THP_SCAN_EXCEED_NONE_PTE,
 102                 THP_SCAN_EXCEED_SWAP_PTE,
 103                 THP_SCAN_EXCEED_SHARED_PTE,
 104 #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
 105                 THP_SPLIT_PUD,
 106 #endif
 107                 THP_ZERO_PAGE_ALLOC,
 108                 THP_ZERO_PAGE_ALLOC_FAILED,
 109                 THP_SWPOUT,
 110                 THP_SWPOUT_FALLBACK,
 111 #endif
 112 #ifdef CONFIG_MEMORY_BALLOON
 113                 BALLOON_INFLATE,
 114                 BALLOON_DEFLATE,
 115 #ifdef CONFIG_BALLOON_COMPACTION
 116                 BALLOON_MIGRATE,
 117 #endif
 118 #endif
 119 #ifdef CONFIG_DEBUG_TLBFLUSH
 120                 NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
 121                 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
 122                 NR_TLB_LOCAL_FLUSH_ALL,
 123                 NR_TLB_LOCAL_FLUSH_ONE,
 124 #endif /* CONFIG_DEBUG_TLBFLUSH */
 125 #ifdef CONFIG_DEBUG_VM_VMACACHE
 126                 VMACACHE_FIND_CALLS,
 127                 VMACACHE_FIND_HITS,
 128 #endif
 129 #ifdef CONFIG_SWAP
 130                 SWAP_RA,
 131                 SWAP_RA_HIT,
 132 #ifdef CONFIG_KSM
 133                 KSM_SWPIN_COPY,
 134 #endif
 135 #endif
 136 #ifdef CONFIG_KSM
 137                 COW_KSM,
 138 #endif
 139 #ifdef CONFIG_ZSWAP
 140                 ZSWPIN,
 141                 ZSWPOUT,
 142 #endif
 143 #ifdef CONFIG_X86
 144                 DIRECT_MAP_LEVEL2_SPLIT,
 145                 DIRECT_MAP_LEVEL3_SPLIT,
 146 #endif
 147                 NR_VM_EVENT_ITEMS
 148 };
 149
 150 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 151 #define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
 152 #define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
 153 #define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
 154 #define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
 155 #endif
 156
 157 #endif          /* VM_EVENT_ITEM_H_INCLUDED */