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                 PGSCAN_KSWAPD,
  37                 PGSCAN_DIRECT,
  38                 PGSCAN_DIRECT_THROTTLE,
  39                 PGSCAN_ANON,
  40                 PGSCAN_FILE,
  41                 PGSTEAL_ANON,
  42                 PGSTEAL_FILE,
  43 #ifdef CONFIG_NUMA
  44                 PGSCAN_ZONE_RECLAIM_FAILED,
  45 #endif
  46                 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  47                 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  48                 PAGEOUTRUN, PGROTATED,
  49                 DROP_PAGECACHE, DROP_SLAB,
  50                 OOM_KILL,
  51 #ifdef CONFIG_NUMA_BALANCING
  52                 NUMA_PTE_UPDATES,
  53                 NUMA_HUGE_PTE_UPDATES,
  54                 NUMA_HINT_FAULTS,
  55                 NUMA_HINT_FAULTS_LOCAL,
  56                 NUMA_PAGE_MIGRATE,
  57 #endif
  58 #ifdef CONFIG_MIGRATION
  59                 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  60                 THP_MIGRATION_SUCCESS,
  61                 THP_MIGRATION_FAIL,
  62                 THP_MIGRATION_SPLIT,
  63 #endif
  64 #ifdef CONFIG_COMPACTION
  65                 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  66                 COMPACTISOLATED,
  67                 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  68                 KCOMPACTD_WAKE,
  69                 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
  70 #endif
  71 #ifdef CONFIG_HUGETLB_PAGE
  72                 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
  73 #endif
  74                 UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
  75                 UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
  76                 UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
  77                 UNEVICTABLE_PGMLOCKED,
  78                 UNEVICTABLE_PGMUNLOCKED,
  79                 UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
  80                 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
  81 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
  82                 THP_FAULT_ALLOC,
  83                 THP_FAULT_FALLBACK,
  84                 THP_FAULT_FALLBACK_CHARGE,
  85                 THP_COLLAPSE_ALLOC,
  86                 THP_COLLAPSE_ALLOC_FAILED,
  87                 THP_FILE_ALLOC,
  88                 THP_FILE_FALLBACK,
  89                 THP_FILE_FALLBACK_CHARGE,
  90                 THP_FILE_MAPPED,
  91                 THP_SPLIT_PAGE,
  92                 THP_SPLIT_PAGE_FAILED,
  93                 THP_DEFERRED_SPLIT_PAGE,
  94                 THP_SPLIT_PMD,
  95 #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
  96                 THP_SPLIT_PUD,
  97 #endif
  98                 THP_ZERO_PAGE_ALLOC,
  99                 THP_ZERO_PAGE_ALLOC_FAILED,
 100                 THP_SWPOUT,
 101                 THP_SWPOUT_FALLBACK,
 102 #endif
 103 #ifdef CONFIG_MEMORY_BALLOON
 104                 BALLOON_INFLATE,
 105                 BALLOON_DEFLATE,
 106 #ifdef CONFIG_BALLOON_COMPACTION
 107                 BALLOON_MIGRATE,
 108 #endif
 109 #endif
 110 #ifdef CONFIG_DEBUG_TLBFLUSH
 111                 NR_TLB_REMOTE_FLUSH,    /* cpu tried to flush others' tlbs */
 112                 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
 113                 NR_TLB_LOCAL_FLUSH_ALL,
 114                 NR_TLB_LOCAL_FLUSH_ONE,
 115 #endif /* CONFIG_DEBUG_TLBFLUSH */
 116 #ifdef CONFIG_DEBUG_VM_VMACACHE
 117                 VMACACHE_FIND_CALLS,
 118                 VMACACHE_FIND_HITS,
 119 #endif
 120 #ifdef CONFIG_SWAP
 121                 SWAP_RA,
 122                 SWAP_RA_HIT,
 123 #endif
 124                 NR_VM_EVENT_ITEMS
 125 };
 126
 127 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 128 #define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
 129 #define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
 130 #define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
 131 #define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
 132 #endif
 133
 134 #endif          /* VM_EVENT_ITEM_H_INCLUDED */