Re: [PATCH 09/10] mm: vmscan: Check if kswapd should writepage onceper pgdat scan

From: Johannes Weiner
Date: Thu Apr 18 2013 - 12:45:32 EST


On Thu, Apr 11, 2013 at 08:57:57PM +0100, Mel Gorman wrote:
> Currently kswapd checks if it should start writepage as it shrinks
> each zone without taking into consideration if the zone is balanced or
> not. This is not wrong as such but it does not make much sense either.
> This patch checks once per pgdat scan if kswapd should be writing pages.
>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
> Reviewed-by: Michal Hocko <mhocko@xxxxxxx>
> Acked-by: Rik van Riel <riel@xxxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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