Messages in this thread | | | Date | Tue, 07 Aug 2012 09:30:13 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 4/6] mm: compaction: Capture a suitable high-order page immediately when it is made available |
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On 08/07/2012 08:31 AM, Mel Gorman wrote: > While compaction is moving pages to free up large contiguous blocks for > allocation it races with other allocation requests that may steal these > blocks or break them up. This patch alters direct compaction to capture a > suitable free page as soon as it becomes available to reduce this race. It > uses similar logic to split_free_page() to ensure that watermarks are > still obeyed. > > Signed-off-by: Mel Gorman<mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
-- All rights reversed
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