On 06/14/2010 07:17 AM, 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<redacted>
Reviewed-by: Johannes Weiner<hannes@cmpxchg.org>

Acked-by: Rik van Riel <redacted>

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