xref: /linux/include/linux/vm_event_item.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
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_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_NUMA_BALANCING
42 		NUMA_PTE_UPDATES,
43 		NUMA_HINT_FAULTS,
44 		NUMA_HINT_FAULTS_LOCAL,
45 		NUMA_PAGE_MIGRATE,
46 #endif
47 #ifdef CONFIG_MIGRATION
48 		PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
49 #endif
50 #ifdef CONFIG_COMPACTION
51 		COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
52 		COMPACTISOLATED,
53 		COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
54 #endif
55 #ifdef CONFIG_HUGETLB_PAGE
56 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
57 #endif
58 		UNEVICTABLE_PGCULLED,	/* culled to noreclaim list */
59 		UNEVICTABLE_PGSCANNED,	/* scanned for reclaimability */
60 		UNEVICTABLE_PGRESCUED,	/* rescued from noreclaim list */
61 		UNEVICTABLE_PGMLOCKED,
62 		UNEVICTABLE_PGMUNLOCKED,
63 		UNEVICTABLE_PGCLEARED,	/* on COW, page truncate */
64 		UNEVICTABLE_PGSTRANDED,	/* unable to isolate on unlock */
65 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
66 		THP_FAULT_ALLOC,
67 		THP_FAULT_FALLBACK,
68 		THP_COLLAPSE_ALLOC,
69 		THP_COLLAPSE_ALLOC_FAILED,
70 		THP_SPLIT,
71 		THP_ZERO_PAGE_ALLOC,
72 		THP_ZERO_PAGE_ALLOC_FAILED,
73 #endif
74 		NR_VM_EVENT_ITEMS
75 };
76 
77 #endif		/* VM_EVENT_ITEM_H_INCLUDED */
78