From: Andrew Morton <akpm@linux-foundation.org>
To: Mel Gorman <mgorman@suse.de>
Cc: Linux-MM <linux-mm@kvack.org>,
Linux-Netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
David Miller <davem@davemloft.net>, Neil Brown <neilb@suse.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 01/14] mm: Serialize access to min_free_kbytes
Date: Wed, 6 Jul 2011 16:44:47 -0700 [thread overview]
Message-ID: <20110706164447.d571051a.akpm@linux-foundation.org> (raw)
In-Reply-To: <1308575540-25219-2-git-send-email-mgorman@suse.de>
On Mon, 20 Jun 2011 14:12:07 +0100
Mel Gorman <mgorman@suse.de> 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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next prev parent reply other threads:[~2011-07-06 23:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 13:12 [PATCH 00/14] Swap-over-NBD without deadlocking v5 Mel Gorman
2011-06-20 13:12 ` [PATCH 01/14] mm: Serialize access to min_free_kbytes Mel Gorman
2011-07-06 23:44 ` Andrew Morton [this message]
2011-07-07 9:17 ` Mel Gorman
2011-06-20 13:12 ` [PATCH 02/14] mm: sl[au]b: Add knowledge of PFMEMALLOC reserve pages Mel Gorman
2011-06-20 13:12 ` [PATCH 03/14] mm: Introduce __GFP_MEMALLOC to allow access to emergency reserves Mel Gorman
2011-06-20 13:12 ` [PATCH 04/14] mm: allow PF_MEMALLOC from softirq context Mel Gorman
2011-06-20 13:12 ` [PATCH 05/14] mm: Ignore mempolicies when using ALLOC_NO_WATERMARK Mel Gorman
2011-06-20 13:12 ` [PATCH 06/14] net: Introduce sk_allocation() to allow addition of GFP flags depending on the individual socket Mel Gorman
2011-06-20 13:12 ` [PATCH 07/14] netvm: Allow the use of __GFP_MEMALLOC by specific sockets Mel Gorman
2011-06-20 13:12 ` [PATCH 08/14] netvm: Allow skb allocation to use PFMEMALLOC reserves Mel Gorman
2011-06-20 13:12 ` [PATCH 09/14] netvm: Propagate page->pfmemalloc to skb Mel Gorman
2011-06-20 13:12 ` [PATCH 10/14] netvm: Set PF_MEMALLOC as appropriate during SKB processing Mel Gorman
2011-06-20 13:12 ` [PATCH 11/14] mm: Micro-optimise slab to avoid a function call Mel Gorman
2011-06-20 13:12 ` [PATCH 12/14] nbd: Set SOCK_MEMALLOC for access to PFMEMALLOC reserves Mel Gorman
2011-06-20 13:12 ` [PATCH 13/14] mm: Throttle direct reclaimers if PF_MEMALLOC reserves are low and swap is backed by network storage Mel Gorman
2011-06-20 13:12 ` [PATCH 14/14] mm: Account for the number of times direct reclaimers get throttled Mel Gorman
2011-07-06 23:51 ` [PATCH 00/14] Swap-over-NBD without deadlocking v5 Andrew Morton
2011-07-07 9:47 ` Mel Gorman
2011-07-07 12:58 ` Christoph Hellwig
2011-07-15 14:10 ` Mel Gorman
2011-07-15 15:27 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2011-10-06 12:41 [PATCH 00/14] Swap-over-NBD without deadlocking V7 Mel Gorman
2011-10-06 12:41 ` [PATCH 01/14] mm: Serialize access to min_free_kbytes Mel Gorman
2011-09-09 10:57 [PATCH 00/14] Swap-over-NBD without deadlocking v6 Mel Gorman
2011-09-09 10:57 ` [PATCH 01/14] mm: Serialize access to min_free_kbytes Mel Gorman
2011-06-09 8:02 [PATCH 00/14] Swap-over-NBD without deadlocking v4r3 Mel Gorman
2011-06-09 8:02 ` [PATCH 01/14] mm: Serialize access to min_free_kbytes Mel Gorman
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