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| author | Mel Gorman <mgorman@suse.de> | 2014-06-04 16:10:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:08 -0700 |
| commit | 800a1e750c7b04c2aa2459afca77e936e01c0029 (patch) | |
| tree | 98324d1708bfe2e7730a061b75e9fcfe12dab3ec /mm/page_alloc.c | |
| parent | 65bb371984d6a2c909244eb749e482bb40b72e36 (diff) | |
| download | lwn-800a1e750c7b04c2aa2459afca77e936e01c0029.tar.gz lwn-800a1e750c7b04c2aa2459afca77e936e01c0029.zip | |
mm: page_alloc: do not treat a zone that cannot be used for dirty pages as "full"
If a zone cannot be used for a dirty page then it gets marked "full" which
is cached in the zlc and later potentially skipped by allocation requests
that have nothing to do with dirty zones.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -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 8e766241cf56..b4381eaee715 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1967,7 +1967,7 @@ zonelist_scan: */ if ((alloc_flags & ALLOC_WMARK_LOW) && (gfp_mask & __GFP_WRITE) && !zone_dirty_ok(zone)) - goto this_zone_full; + continue; mark = zone->watermark[alloc_flags & ALLOC_WMARK_MASK]; if (!zone_watermark_ok(zone, order, mark, |