| Date | Thu, 9 Sep 2010 12:17:59 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH 08/10] vmscan: isolated_lru_pages() stop neighbour search if neighbour cannot be isolated |
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On Mon, 6 Sep 2010 11:47:31 +0100 Mel Gorman <mel@csn.ul.ie> wrote:
> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > > isolate_lru_pages() does not just isolate LRU tail pages, but also isolate > neighbour pages of the eviction page. The neighbour search does not stop even > if neighbours cannot be isolated which is excessive as the lumpy reclaim will > no longer result in a successful higher order allocation. This patch stops > the PFN neighbour pages if an isolation fails and moves on to the next block. > > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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