Re: [PATCH 2/6] mm: vmscan: Scale number of pages reclaimed by reclaim/compactionbased on failures

[Rik van Riel]

On 08/07/2012 08:31 AM, Mel Gorman wrote:
> If allocation fails after compaction then compaction may be deferred for
> a number of allocation attempts. If there are subsequent failures,
> compact_defer_shift is increased to defer for longer periods. This patch
> uses that information to scale the number of pages reclaimed with
> compact_defer_shift until allocations succeed again.
>
> Signed-off-by: Mel Gorman<mgorman@xxxxxxx>

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


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