Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef VM_EVENT_ITEM_H_INCLUDED
3#define VM_EVENT_ITEM_H_INCLUDED
4
5#ifdef CONFIG_ZONE_DMA
6#define DMA_ZONE(xx) xx##_DMA,
7#else
8#define DMA_ZONE(xx)
9#endif
10
11#ifdef CONFIG_ZONE_DMA32
12#define DMA32_ZONE(xx) xx##_DMA32,
13#else
14#define DMA32_ZONE(xx)
15#endif
16
17#ifdef CONFIG_HIGHMEM
18#define HIGHMEM_ZONE(xx) xx##_HIGH,
19#else
20#define HIGHMEM_ZONE(xx)
21#endif
22
23#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE
24
25enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
26 FOR_ALL_ZONES(PGALLOC),
27 FOR_ALL_ZONES(ALLOCSTALL),
28 FOR_ALL_ZONES(PGSCAN_SKIP),
29 PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE,
30 PGFAULT, PGMAJFAULT,
31 PGLAZYFREED,
32 PGREFILL,
33 PGSTEAL_KSWAPD,
34 PGSTEAL_DIRECT,
35 PGSCAN_KSWAPD,
36 PGSCAN_DIRECT,
37 PGSCAN_DIRECT_THROTTLE,
38 PGSCAN_ANON,
39 PGSCAN_FILE,
40 PGSTEAL_ANON,
41 PGSTEAL_FILE,
42#ifdef CONFIG_NUMA
43 PGSCAN_ZONE_RECLAIM_FAILED,
44#endif
45 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
46 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
47 PAGEOUTRUN, PGROTATED,
48 DROP_PAGECACHE, DROP_SLAB,
49 OOM_KILL,
50#ifdef CONFIG_NUMA_BALANCING
51 NUMA_PTE_UPDATES,
52 NUMA_HUGE_PTE_UPDATES,
53 NUMA_HINT_FAULTS,
54 NUMA_HINT_FAULTS_LOCAL,
55 NUMA_PAGE_MIGRATE,
56#endif
57#ifdef CONFIG_MIGRATION
58 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
59#endif
60#ifdef CONFIG_COMPACTION
61 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
62 COMPACTISOLATED,
63 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
64 KCOMPACTD_WAKE,
65 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
66#endif
67#ifdef CONFIG_HUGETLB_PAGE
68 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
69#endif
70 UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
71 UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
72 UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
73 UNEVICTABLE_PGMLOCKED,
74 UNEVICTABLE_PGMUNLOCKED,
75 UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
76 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
77#ifdef CONFIG_TRANSPARENT_HUGEPAGE
78 THP_FAULT_ALLOC,
79 THP_FAULT_FALLBACK,
80 THP_FAULT_FALLBACK_CHARGE,
81 THP_COLLAPSE_ALLOC,
82 THP_COLLAPSE_ALLOC_FAILED,
83 THP_FILE_ALLOC,
84 THP_FILE_FALLBACK,
85 THP_FILE_FALLBACK_CHARGE,
86 THP_FILE_MAPPED,
87 THP_SPLIT_PAGE,
88 THP_SPLIT_PAGE_FAILED,
89 THP_DEFERRED_SPLIT_PAGE,
90 THP_SPLIT_PMD,
91#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
92 THP_SPLIT_PUD,
93#endif
94 THP_ZERO_PAGE_ALLOC,
95 THP_ZERO_PAGE_ALLOC_FAILED,
96 THP_SWPOUT,
97 THP_SWPOUT_FALLBACK,
98#endif
99#ifdef CONFIG_MEMORY_BALLOON
100 BALLOON_INFLATE,
101 BALLOON_DEFLATE,
102#ifdef CONFIG_BALLOON_COMPACTION
103 BALLOON_MIGRATE,
104#endif
105#endif
106#ifdef CONFIG_DEBUG_TLBFLUSH
107 NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
108 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
109 NR_TLB_LOCAL_FLUSH_ALL,
110 NR_TLB_LOCAL_FLUSH_ONE,
111#endif /* CONFIG_DEBUG_TLBFLUSH */
112#ifdef CONFIG_DEBUG_VM_VMACACHE
113 VMACACHE_FIND_CALLS,
114 VMACACHE_FIND_HITS,
115#endif
116#ifdef CONFIG_SWAP
117 SWAP_RA,
118 SWAP_RA_HIT,
119#endif
120 NR_VM_EVENT_ITEMS
121};
122
123#ifndef CONFIG_TRANSPARENT_HUGEPAGE
124#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
125#define THP_FILE_FALLBACK ({ BUILD_BUG(); 0; })
126#define THP_FILE_FALLBACK_CHARGE ({ BUILD_BUG(); 0; })
127#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
128#endif
129
130#endif /* VM_EVENT_ITEM_H_INCLUDED */