Re: [PATCH 7/7] mm: vmscan: Immediately reclaim end-of-LRU dirty pages when writeback completes

KAMEZAWA Hiroyuki
2011-08-11T09:26:43Z

On Wed, 10 Aug 2011 11:47:20 +0100
Mel Gorman <mgorman@suse.de> wrote:

> When direct reclaim encounters a dirty page, it gets recycled around
> the LRU for another cycle. This patch marks the page PageReclaim
> similar to deactivate_page() so that the page gets reclaimed almost
> immediately after the page gets cleaned. This is to avoid reclaiming
> clean pages that are younger than a dirty page encountered at the
> end of the LRU that might have been something like a use-once page.
>
> Signed-off-by: Mel Gorman <mgorman@suse.de>
> Acked-by: Johannes Weiner <jweiner@redhat.com>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>