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    SubjectRe: [PATCH v3 0/4] memory-hotplug: handle page race between allocation and isolation
    On Fri, Sep 07, 2012 at 09:39:28AM +0900, Minchan Kim wrote:
    > Memory hotplug has a subtle race problem so this patchset fixes the problem
    > (Look at [3/3] for detail and please confirm the problem before review
    > other patches in this series.)
    > [1/4] is just clean up and help for [2/4].
    > [2/4] keeps the migratetype information to freed page's index field
    > and [3/4] uses the information.
    > [3/4] fixes the race problem with [2/4]'s information.
    > [4/4] enhance memory-hotremove operation success ratio
    > After applying [2/4], migratetype argument in __free_one_page
    > and free_one_page is redundant so we can remove it but I decide
    > to not touch them because it increases code size about 50 byte.
    > This patchset is based on mmotm-2012-09-06-16-46

    Nothing jumped out and poked me in the eye so for the series;

    Acked-by: Mel Gorman <>


    Mel Gorman
    SUSE Labs

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