linux/include/linux/vm_event_item.h
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   1#ifndef VM_EVENT_ITEM_H_INCLUDED
   2#define VM_EVENT_ITEM_H_INCLUDED
   3
   4#ifdef CONFIG_ZONE_DMA
   5#define DMA_ZONE(xx) xx##_DMA,
   6#else
   7#define DMA_ZONE(xx)
   8#endif
   9
  10#ifdef CONFIG_ZONE_DMA32
  11#define DMA32_ZONE(xx) xx##_DMA32,
  12#else
  13#define DMA32_ZONE(xx)
  14#endif
  15
  16#ifdef CONFIG_HIGHMEM
  17#define HIGHMEM_ZONE(xx) , xx##_HIGH
  18#else
  19#define HIGHMEM_ZONE(xx)
  20#endif
  21
  22#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) , xx##_MOVABLE
  23
  24enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
  25                FOR_ALL_ZONES(PGALLOC),
  26                PGFREE, PGACTIVATE, PGDEACTIVATE,
  27                PGFAULT, PGMAJFAULT,
  28                FOR_ALL_ZONES(PGREFILL),
  29                FOR_ALL_ZONES(PGSTEAL_KSWAPD),
  30                FOR_ALL_ZONES(PGSTEAL_DIRECT),
  31                FOR_ALL_ZONES(PGSCAN_KSWAPD),
  32                FOR_ALL_ZONES(PGSCAN_DIRECT),
  33                PGSCAN_DIRECT_THROTTLE,
  34#ifdef CONFIG_NUMA
  35                PGSCAN_ZONE_RECLAIM_FAILED,
  36#endif
  37                PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
  38                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
  39                KSWAPD_SKIP_CONGESTION_WAIT,
  40                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
  41#ifdef CONFIG_COMPACTION
  42                COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
  43                COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  44#endif
  45#ifdef CONFIG_HUGETLB_PAGE
  46                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
  47#endif
  48                UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
  49                UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
  50                UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
  51                UNEVICTABLE_PGMLOCKED,
  52                UNEVICTABLE_PGMUNLOCKED,
  53                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
  54                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
  55                UNEVICTABLE_MLOCKFREED,
  56#ifdef CONFIG_TRANSPARENT_HUGEPAGE
  57                THP_FAULT_ALLOC,
  58                THP_FAULT_FALLBACK,
  59                THP_COLLAPSE_ALLOC,
  60                THP_COLLAPSE_ALLOC_FAILED,
  61                THP_SPLIT,
  62#endif
  63                NR_VM_EVENT_ITEMS
  64};
  65
  66#endif          /* VM_EVENT_ITEM_H_INCLUDED */
  67
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