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#ifdef CONFIG_NUMA
39 PGSCAN_ZONE_RECLAIM_FAILED,
40#endif
41 PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
42 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
43 PAGEOUTRUN, PGROTATED,
44 DROP_PAGECACHE, DROP_SLAB,
45 OOM_KILL,
46#ifdef CONFIG_NUMA_BALANCING
47 NUMA_PTE_UPDATES,
48 NUMA_HUGE_PTE_UPDATES,
49 NUMA_HINT_FAULTS,
50 NUMA_HINT_FAULTS_LOCAL,
51 NUMA_PAGE_MIGRATE,
52#endif
53#ifdef CONFIG_MIGRATION
54 PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
55#endif
56#ifdef CONFIG_COMPACTION
57 COMPACTMIGRATE_SCANNED, COMPACTFREE_SCANNED,
58 COMPACTISOLATED,
59 COMPACTSTALL, COMPACTFAIL, COMPACTSUCCESS,
60 KCOMPACTD_WAKE,
61 KCOMPACTD_MIGRATE_SCANNED, KCOMPACTD_FREE_SCANNED,
62#endif
63#ifdef CONFIG_HUGETLB_PAGE
64 HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
65#endif
66 UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
67 UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
68 UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
69 UNEVICTABLE_PGMLOCKED,
70 UNEVICTABLE_PGMUNLOCKED,
71 UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
72 UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
73#ifdef CONFIG_TRANSPARENT_HUGEPAGE
74 THP_FAULT_ALLOC,
75 THP_FAULT_FALLBACK,
76 THP_COLLAPSE_ALLOC,
77 THP_COLLAPSE_ALLOC_FAILED,
78 THP_FILE_ALLOC,
79 THP_FILE_MAPPED,
80 THP_SPLIT_PAGE,
81 THP_SPLIT_PAGE_FAILED,
82 THP_DEFERRED_SPLIT_PAGE,
83 THP_SPLIT_PMD,
84#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
85 THP_SPLIT_PUD,
86#endif
87 THP_ZERO_PAGE_ALLOC,
88 THP_ZERO_PAGE_ALLOC_FAILED,
89 THP_SWPOUT,
90 THP_SWPOUT_FALLBACK,
91#endif
92#ifdef CONFIG_MEMORY_BALLOON
93 BALLOON_INFLATE,
94 BALLOON_DEFLATE,
95#ifdef CONFIG_BALLOON_COMPACTION
96 BALLOON_MIGRATE,
97#endif
98#endif
99#ifdef CONFIG_DEBUG_TLBFLUSH
100 NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
101 NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
102 NR_TLB_LOCAL_FLUSH_ALL,
103 NR_TLB_LOCAL_FLUSH_ONE,
104#endif /* CONFIG_DEBUG_TLBFLUSH */
105#ifdef CONFIG_DEBUG_VM_VMACACHE
106 VMACACHE_FIND_CALLS,
107 VMACACHE_FIND_HITS,
108#endif
109#ifdef CONFIG_SWAP
110 SWAP_RA,
111 SWAP_RA_HIT,
112#endif
113 NR_VM_EVENT_ITEMS
114};
115
116#ifndef CONFIG_TRANSPARENT_HUGEPAGE
117#define THP_FILE_ALLOC ({ BUILD_BUG(); 0; })
118#define THP_FILE_MAPPED ({ BUILD_BUG(); 0; })
119#endif
120
121#endif /* VM_EVENT_ITEM_H_INCLUDED */