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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

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