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| author | Abel Wu <wuyun.abel@bytedance.com> | 2022-08-03 10:51:21 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:25:51 -0700 |
| commit | e933dc4a07b36b835f8ad7085e17cc21ed869051 (patch) | |
| tree | 12fd3345e1ba46864275d0633932cf087f06d3c1 /mm/util.c | |
| parent | 97bab178e8e4035e0f3a8b1362eec3e86fdcb9ce (diff) | |
| download | linux-e933dc4a07b36b835f8ad7085e17cc21ed869051.tar.bz2 | |
mm/page_alloc: only search higher order when fallback
It seems unnecessary to search pages with order < alloc_order in
fallback allocation.
This can currently happen with ALLOC_NOFRAGMENT and alloc_order >
pageblock_order, so add a test to prevent it.
[vbabka@suse.cz: changelog addition]
Link: https://lkml.kernel.org/r/20220803025121.47018-1-wuyun.abel@bytedance.com
Signed-off-by: Abel Wu <wuyun.abel@bytedance.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/util.c')
0 files changed, 0 insertions, 0 deletions