From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Subject: Re: [PATCH 01/15] mm: Serialize access to min_free_kbytes Date: Wed, 08 Feb 2012 13:47:59 -0500 Message-ID: <4F32C35F.1090806@redhat.com> References: <1328568978-17553-1-git-send-email-mgorman@suse.de> <1328568978-17553-2-git-send-email-mgorman@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Andrew Morton , Linux-MM , Linux-Netdev , LKML , David Miller , Neil Brown , Peter Zijlstra To: Mel Gorman Return-path: In-Reply-To: <1328568978-17553-2-git-send-email-mgorman@suse.de> Sender: owner-linux-mm@kvack.org List-Id: netdev.vger.kernel.org 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@chello.nl: Older patch fixed the race with spinlock] > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org