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| author | Mel Gorman <mgorman@techsingularity.net> | 2023-01-13 11:12:14 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:12 -0800 |
| commit | eb2e2b425c6984ca8034448a3f2c680622bd3d4d (patch) | |
| tree | dce2ee2aff64a17bd8d086c6dc2040a8014dff95 /mm/internal.h | |
| parent | c988dcbecf3fd5430921eaa3fe9054754f76d185 (diff) | |
| download | linux-eb2e2b425c6984ca8034448a3f2c680622bd3d4d.tar.gz linux-eb2e2b425c6984ca8034448a3f2c680622bd3d4d.tar.bz2 linux-eb2e2b425c6984ca8034448a3f2c680622bd3d4d.zip | |
mm/page_alloc: explicitly record high-order atomic allocations in alloc_flags
A high-order ALLOC_HARDER allocation is assumed to be atomic. While that
is accurate, it changes later in the series. In preparation, explicitly
record high-order atomic allocations in gfp_to_alloc_flags().
Link: https://lkml.kernel.org/r/20230113111217.14134-4-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: NeilBrown <neilb@suse.de>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 99eb544fbded..62428467d7cf 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -789,6 +789,7 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone, #else #define ALLOC_NOFRAGMENT 0x0 #endif +#define ALLOC_HIGHATOMIC 0x200 /* Allows access to MIGRATE_HIGHATOMIC */ #define ALLOC_KSWAPD 0x800 /* allow waking of kswapd, __GFP_KSWAPD_RECLAIM set */ enum ttu_flags; |