xref: /linux/include/linux/vm_event_item.h (revision f2ee442115c9b6219083c019939a9cc0c9abb2f8)
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 
24 enum 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),
30 		FOR_ALL_ZONES(PGSCAN_KSWAPD),
31 		FOR_ALL_ZONES(PGSCAN_DIRECT),
32 #ifdef CONFIG_NUMA
33 		PGSCAN_ZONE_RECLAIM_FAILED,
34 #endif
35 		PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
36 		KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
37 		KSWAPD_SKIP_CONGESTION_WAIT,
38 		PAGEOUTRUN, ALLOCSTALL, PGROTATED,
39 #ifdef CONFIG_COMPACTION
40 		COMPACTBLOCKS, COMPACTPAGES, COMPACTPAGEFAILED,
41 		COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
42 #endif
43 #ifdef CONFIG_HUGETLB_PAGE
44 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
45 #endif
46 		UNEVICTABLE_PGCULLED,	/* culled to noreclaim list */
47 		UNEVICTABLE_PGSCANNED,	/* scanned for reclaimability */
48 		UNEVICTABLE_PGRESCUED,	/* rescued from noreclaim list */
49 		UNEVICTABLE_PGMLOCKED,
50 		UNEVICTABLE_PGMUNLOCKED,
51 		UNEVICTABLE_PGCLEARED,	/* on COW, page truncate */
52 		UNEVICTABLE_PGSTRANDED,	/* unable to isolate on unlock */
53 		UNEVICTABLE_MLOCKFREED,
54 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
55 		THP_FAULT_ALLOC,
56 		THP_FAULT_FALLBACK,
57 		THP_COLLAPSE_ALLOC,
58 		THP_COLLAPSE_ALLOC_FAILED,
59 		THP_SPLIT,
60 #endif
61 		NR_VM_EVENT_ITEMS
62 };
63 
64 #endif		/* VM_EVENT_ITEM_H_INCLUDED */
65