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SubjectRe: [PATCH 4/6] mm: compaction: Capture a suitable high-order page immediately when it is made available
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<>

Reviewed-by: Rik van Riel <>

All rights reversed

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