From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 5D0649000C2 for ; Wed, 6 Jul 2011 19:44:57 -0400 (EDT) Date: Wed, 6 Jul 2011 16:44:47 -0700 From: Andrew Morton Subject: Re: [PATCH 01/14] mm: Serialize access to min_free_kbytes Message-Id: <20110706164447.d571051a.akpm@linux-foundation.org> In-Reply-To: <1308575540-25219-2-git-send-email-mgorman@suse.de> References: <1308575540-25219-1-git-send-email-mgorman@suse.de> <1308575540-25219-2-git-send-email-mgorman@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Linux-MM , Linux-Netdev , LKML , David Miller , Neil Brown , Peter Zijlstra On Mon, 20 Jun 2011 14:12:07 +0100 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. 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? -- 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