text: #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),
  		FOR_ALL_ZONES(ALLOCSTALL),
  		FOR_ALL_ZONES(PGSCAN_SKIP),
  		PGFREE, PGACTIVATE, PGDEACTIVATE,
  		PGFAULT, PGMAJFAULT,
  		PGLAZYFREED,
  		PGREFILL,
  		PGSTEAL_KSWAPD,
  		PGSTEAL_DIRECT,
  		PGSCAN_KSWAPD,
  		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,
  		PAGEOUTRUN, PGROTATED,
  		DROP_PAGECACHE, DROP_SLAB,
  #ifdef CONFIG_NUMA_BALANCING
  		NUMA_PTE_UPDATES,
  		NUMA_HUGE_PTE_UPDATES,
  		NUMA_HINT_FAULTS,
  		NUMA_HINT_FAULTS_LOCAL,
  		NUMA_PAGE_MIGRATE,
  #endif
  #ifdef CONFIG_MIGRATION
  		PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
  #endif
  #ifdef CONFIG_COMPACTION
  		COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
  		COMPACTISOLATED,
  		COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
  		KCOMPACTD_WAKE,
  		KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
  #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_FILE_ALLOC,
  		THP_FILE_MAPPED,
  		THP_SPLIT_PAGE,
  		THP_SPLIT_PAGE_FAILED,
  		THP_DEFERRED_SPLIT_PAGE,
  		THP_SPLIT_PMD,
  #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
  		THP_SPLIT_PUD,
  #endif
  		THP_ZERO_PAGE_ALLOC,
  		THP_ZERO_PAGE_ALLOC_FAILED,
  #endif
  #ifdef CONFIG_MEMORY_BALLOON
  		BALLOON_INFLATE,
  		BALLOON_DEFLATE,
  #ifdef CONFIG_BALLOON_COMPACTION
  		BALLOON_MIGRATE,
  #endif
  #endif
  #ifdef CONFIG_DEBUG_TLBFLUSH
  #ifdef CONFIG_SMP
  		NR_TLB_REMOTE_FLUSH,	/* cpu tried to flush others' tlbs */
  		NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
  #endif /* CONFIG_SMP */
  		NR_TLB_LOCAL_FLUSH_ALL,
  		NR_TLB_LOCAL_FLUSH_ONE,
  #endif /* CONFIG_DEBUG_TLBFLUSH */
  #ifdef CONFIG_DEBUG_VM_VMACACHE
  		VMACACHE_FIND_CALLS,
  		VMACACHE_FIND_HITS,
  		VMACACHE_FULL_FLUSHES,
  #endif
  		NR_VM_EVENT_ITEMS
  };
  
  #ifndef CONFIG_TRANSPARENT_HUGEPAGE
  #define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
  #define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
  #endif
  
  #endif		/* VM_EVENT_ITEM_H_INCLUDED */
  