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

Johannes Weiner
2011-08-03T11:27:18Z

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@suse.de>

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

Acked-by: Johannes Weiner <jweiner@redhat.com>