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