Re: [PATCH 10/10] vmscan: Update isolated page counters outside of main path in shrink_inactive_list()

From: Johannes Weiner
Date: Fri Apr 16 2010 - 19:34:20 EST


On Thu, Apr 15, 2010 at 06:21:43PM +0100, Mel Gorman wrote:
> When shrink_inactive_list() isolates pages, it updates a number of
> counters using temporary variables to gather them. These consume stack
> and it's in the main path that calls ->writepage(). This patch moves the
> accounting updates outside of the main path to reduce stack usage.
>
> Signed-off-by: Mel Gorman <mel@xxxxxxxxx>

Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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