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SubjectRe: [PATCH 08/25] Calculate the preferred zone for allocation only once
> 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 <>

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

Reviewed-by: KOSAKI Motohiro <>

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