Re: [PATCH 16/31] mm: numa: Only call task_numa_placement for misplacedpages

[Rik van Riel]

On 11/13/2012 06:12 AM, Mel Gorman wrote:
> task_numa_placement is potentially very expensive so limit it to being
> called when a page is misplaced. How necessary this is depends on
> the placement policy.
>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

That reads like a premature optimization :)

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