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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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