Re: [PATCH 2/3] sched,numa: retry placement more frequently when misplaced

[Mel Gorman]

On Fri, Apr 11, 2014 at 01:00:28PM -0400, riel@xxxxxxxxxx wrote:
> From: Rik van Riel <riel@xxxxxxxxxx>
> 
> When tasks have not converged on their preferred nodes yet, we want
> to retry fairly often, to make sure we do not migrate a task's memory
> to an undesirable location, only to have to move it again later.
> 
> This patch reduces the interval at which migration is retried,
> when the task's numa_scan_period is small.
> 
> Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>
> Tested-by: Vinod Chegu <chegu_vinod@xxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxx>

-- 
Mel Gorman
SUSE Labs
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