Re: [PATCH 28/63] sched: Remove check that skips small VMAs

From: Rik van Riel
Date: Mon Oct 07 2013 - 14:44:44 EST


On 10/07/2013 06:29 AM, Mel Gorman wrote:
> task_numa_work skips small VMAs. At the time the logic was to reduce the
> scanning overhead which was considerable. It is a dubious hack at best.
> It would make much more sense to cache where faults have been observed
> and only rescan those regions during subsequent PTE scans. Remove this
> hack as motivation to do it properly in the future.
>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

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

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