Re: [PATCH 01/14] mm: Serialize access to min_free_kbytes

[Andrew Morton]

On Mon, 20 Jun 2011 14:12:07 +0100
Mel Gorman <mgorman@xxxxxxx> 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.

This patch appears to be a standalone fix, unrelated to the overall
patch series?

How does one trigger the race and what happens when it hits, btw?
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