Re: [PATCH 14/14] mm,migration: Allow the migration of PageSwapCache pages
From: Minchan Kim
Date: Tue Apr 06 2010 - 11:43:29 EST
On Sat, Apr 3, 2010 at 1:02 AM, Mel Gorman <mel@xxxxxxxxx> wrote:
> PageAnon pages that are unmapped may or may not have an anon_vma so are
> not currently migrated. However, a swap cache page can be migrated and
> fits this description. This patch identifies page swap caches and allows
> them to be migrated but ensures that no attempt to made to remap the pages
> would would potentially try to access an already freed anon_vma.
> Signed-off-by: Mel Gorman <mel@xxxxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Thanks for your effort, Mel.
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