Messages in this thread | | | Date | Tue, 14 Feb 2012 17:38:21 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCHv21 10/16] mm: Serialize access to min_free_kbytes |
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On Fri, 10 Feb 2012 18:32:25 +0100 Marek Szyprowski <m.szyprowski@samsung.com> wrote:
> From: Mel Gorman <mgorman@suse.de> > > There is a race between the min_free_kbytes sysctl, memory hotplug > and transparent hugepage support enablement. Memory hotplug uses a > zonelists_mutex to avoid a race when building zonelists. Reuse it to > serialise watermark updates. > > [a.p.zijlstra@chello.nl: Older patch fixed the race with spinlock] > Signed-off-by: Mel Gorman <mgorman@suse.de> > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
At linux-next, conflicted with "mm: add extra free kbytes tunable"
To the logic, Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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