| From | KOSAKI Motohiro <> | Subject | Re: [PATCH 22/25] Update NR_FREE_PAGES only as necessary | Date | Wed, 22 Apr 2009 09:35:38 +0900 (JST) |
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> When pages are being freed to the buddy allocator, the zone > NR_FREE_PAGES counter must be updated. In the case of bulk per-cpu page > freeing, it's updated once per page. This retouches cache lines more > than necessary. Update the counters one per per-cpu bulk free. > > Signed-off-by: Mel Gorman <mel@csn.ul.ie> > Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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