Re: [PATCH v2 4/7] mm: munlock: batch NR_MLOCK zone state updates

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On Mon, Aug 19, 2013 at 02:23:39PM +0200, Vlastimil Babka wrote:
> Depending on previous batch which introduced batched isolation in
> munlock_vma_range(), we can batch also the updates of NR_MLOCK
> page stats. After the whole pagevec is processed for page isolation,
> the stats are updated only once with the number of successful isolations.
> There were however no measurable perfomance gains.
> 
> Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
> Reviewed-by: Jörn Engel <joern@xxxxxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxx>

-- 
Mel Gorman
SUSE Labs

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