vm_event_item.h

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#ifndef VM_EVENT_ITEM_H_INCLUDED
#define VM_EVENT_ITEM_H_INCLUDED

#ifdef CONFIG_ZONE_DMA
#define DMA_ZONE(xx) xx##_DMA,
#else
#define DMA_ZONE(xx)
#endif

#ifdef CONFIG_ZONE_DMA32
#define DMA32_ZONE(xx) xx##_DMA32,
#else
#define DMA32_ZONE(xx)
#endif

#ifdef CONFIG_HIGHMEM
#define HIGHMEM_ZONE(xx) , xx##_HIGH
#else
#define HIGHMEM_ZONE(xx)
#endif

#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) , xx##_MOVABLE

enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
        FOR_ALL_ZONES(PGALLOC),
        PGFREE, PGACTIVATE, PGDEACTIVATE,
        PGFAULT, PGMAJFAULT,
        FOR_ALL_ZONES(PGREFILL),
        FOR_ALL_ZONES(PGSTEAL_KSWAPD),
        FOR_ALL_ZONES(PGSTEAL_DIRECT),
        FOR_ALL_ZONES(PGSCAN_KSWAPD),
        FOR_ALL_ZONES(PGSCAN_DIRECT),
        PGSCAN_DIRECT_THROTTLE,
#ifdef CONFIG_NUMA
        PGSCAN_ZONE_RECLAIM_FAILED,
#endif
        PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
        KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
        KSWAPD_SKIP_CONGESTION_WAIT,
        PAGEOUTRUN, ALLOCSTALL, PGROTATED,
#ifdef CONFIG_COMPACTION
        COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
        COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
#endif
#ifdef CONFIG_HUGETLB_PAGE
        HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
        UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
        UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
        UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
        UNEVICTABLE_PGMLOCKED,
        UNEVICTABLE_PGMUNLOCKED,
        UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
        UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
        THP_FAULT_ALLOC,
        THP_FAULT_FALLBACK,
        THP_COLLAPSE_ALLOC,
        THP_COLLAPSE_ALLOC_FAILED,
        THP_SPLIT,
#endif
        NR_VM_EVENT_ITEMS
};

#endif      /* VM_EVENT_ITEM_H_INCLUDED */