Re: [PATCH 01/15] mm: Serialize access to min_free_kbytes

[Rik van Riel]

On 02/06/2012 05:56 PM, Mel Gorman wrote:
> 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@xxxxxxxxx: Older patch fixed the race with spinlock]
> Signed-off-by: Mel Gorman<mgorman@xxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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