Re: [PATCH 06/18] mm: numa: Ensure anon_vma is locked to preventparallel THP splits

[Rik van Riel]

On 12/09/2013 02:09 AM, Mel Gorman wrote:
> The anon_vma lock prevents parallel THP splits and any associated complexity
> that arises when handling splits during THP migration. This patch checks
> if the lock was successfully acquired and bails from THP migration if it
> failed for any reason.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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