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SubjectRe: [PATCH 08/25] Calculate the preferred zone for allocation only once
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> get_page_from_freelist() can be called multiple times for an allocation.
> Part of this calculates the preferred_zone which is the first usable
> zone in the zonelist. This patch calculates preferred_zone once.
>
> Signed-off-by: Mel Gorman <mel@csn.ul.ie>

I'm not sure this patch improve performance largely or not.
but I don't find the bug.


Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>






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