Re: [PATCH 7/8] mm: vmscan: Immediately reclaim end-of-LRU dirtypages when writeback completes

From: Johannes Weiner
Date: Wed Aug 03 2011 - 07:27:23 EST


On Thu, Jul 21, 2011 at 05:28:49PM +0100, Mel Gorman 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>

Apart from the naming of the counter (I like nr_reclaim_preferred),

Acked-by: Johannes Weiner <jweiner@xxxxxxxxxx>
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