diff options
| author | Vlastimil Babka <[email protected]> | 2014-12-10 15:43:07 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-12-10 17:41:05 -0800 |
| commit | 510f550788b8aba5070c59ec652de8b4ab660852 (patch) | |
| tree | 1c3c9cc5cb0dd8dff0d56fd4c2038d46b2dd9b08 | |
| parent | ec25af84b23b6862341b5b5b68d24be3f53b8d2c (diff) | |
mm, cma: drain single zone pcplists
CMA allocation drains pcplists so that pages can merge back to buddy
allocator. Since it operates on a single zone, we can reduce the
pcplists drain to the single zone, which is now possible.
The change should make CMA allocations faster and not disturbing
unrelated pcplists anymore.
Signed-off-by: Vlastimil Babka <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Yasuaki Ishimatsu <[email protected]>
Cc: Zhang Yanfei <[email protected]>
Cc: Xishi Qiu <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 13d5796de8f3..f3a6bf12cbc1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6416,7 +6416,7 @@ int alloc_contig_range(unsigned long start, unsigned long end, */ lru_add_drain_all(); - drain_all_pages(NULL); + drain_all_pages(cc.zone); order = 0; outer_start = start; |