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SubjectRe: [PATCH 09/11] Add /sys trigger for per-node memory compaction
On Tue, 23 Mar 2010 12:25:44 +0000
Mel Gorman <> wrote:

> This patch adds a per-node sysfs file called compact. When the file is
> written to, each zone in that node is compacted. The intention that this
> would be used by something like a job scheduler in a batch system before
> a job starts so that the job can allocate the maximum number of
> hugepages without significant start-up cost.
> Signed-off-by: Mel Gorman <>
> Acked-by: Rik van Riel <>
> Reviewed-by: KOSAKI Motohiro <>
Reviewed-by: KAMEZAWA Hiroyuki <>

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