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authorMel Gorman <mgorman@suse.de>2011-07-26 04:12:30 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 07:57:10 +0400
commit76d3fbf8fbf6cc78ceb63549e0e0c5bc8a88f838 (patch)
treecebd9474333db6965fe6af7cc3f652d3091b658b /mm/page-writeback.c
parentcd38b115d5ad79b0100ac6daa103c4fe2c50a913 (diff)
downloadlinux-76d3fbf8fbf6cc78ceb63549e0e0c5bc8a88f838.tar.xz
mm: page allocator: reconsider zones for allocation after direct reclaim
With zone_reclaim_mode enabled, it's possible for zones to be considered full in the zonelist_cache so they are skipped in the future. If the process enters direct reclaim, the ZLC may still consider zones to be full even after reclaiming pages. Reconsider all zones for allocation if direct reclaim returns successfully. Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page-writeback.c')
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