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

From: Minchan Kim
Date: Wed Aug 10 2011 - 19:22:12 EST


On Wed, Aug 10, 2011 at 7:47 PM, Mel Gorman <mgorman@xxxxxxx> 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@xxxxxxx>
> Acked-by: Johannes Weiner <jweiner@xxxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>

--
Kind regards,
Minchan Kim
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