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| author | Michal Hocko <mhocko@suse.cz> | 2012-01-11 00:08:02 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-11 01:30:44 +0100 |
| commit | df0a6daa01fa3856c08f4274d4f21a8092caa480 (patch) | |
| tree | 089c112e98c87c4326443c21711bf9410c1989ce /mm/rmap.c | |
| parent | bootmem: micro optimize freeing pages in bulk (diff) | |
| download | linux-df0a6daa01fa3856c08f4274d4f21a8092caa480.tar.xz linux-df0a6daa01fa3856c08f4274d4f21a8092caa480.zip | |
mm: fix off-by-two in __zone_watermark_ok()
Commit 88f5acf88ae6 ("mm: page allocator: adjust the per-cpu counter
threshold when memory is low") changed the form how free_pages is
calculated but it forgot that we used to do free_pages - ((1 << order) -
1) so we ended up with off-by-two when calculating free_pages.
Reported-by: Wang Sheng-Hui <shhuiw@gmail.com>
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
0 files changed, 0 insertions, 0 deletions