From: Jens Axboe <jens.axboe@oracle.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Frans Pop <elendil@planet.nl>, Jiri Kosina <jkosina@suse.cz>,
Sven Geggus <lists@fuchsschwanzdomain.de>,
Karol Lewandowski <karol.k.lewandowski@gmail.com>,
Tobias Oetiker <tobi@oetiker.ch>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
David Miller <davem@davemloft.net>,
Reinette Chatre <reinette.chatre@intel.com>,
Kalle Valo <kalle.valo@iki.fi>,
David Rientjes <rientjes@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Mohamed Abbas <mohamed.abbas@intel.com>,
"John W. Linville" <linville@tuxdriver.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Greg Kroah-Hartman <gregkh@suse.de>,
Stephan von Krawczynski <skraw@ithnet.com>,
Kernel Testers List <kernel-testers@vger.kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 5/5] ONLY-APPLY-IF-STILL-FAILING Revert 373c0a7e, 8aa7e847: Fix congestion_wait() sync/async vs read/write confusion
Date: Thu, 22 Oct 2009 23:49:34 +0200 [thread overview]
Message-ID: <20091022214934.GQ10727@kernel.dk> (raw)
In-Reply-To: <1256221356-26049-6-git-send-email-mel@csn.ul.ie>
On Thu, Oct 22 2009, Mel Gorman wrote:
> Testing by Frans Pop indicates that in the 2.6.30..2.6.31 window at
> least that the commits 373c0a7e 8aa7e847 dramatically increased the
> number of GFP_ATOMIC failures that were occuring within a wireless
> driver. It was never isolated which of the changes was the exact problem
> and it's possible it has been fixed since. If problems are still
> occuring with GFP_ATOMIC in 2.6.31-rc5, then this patch should be
> applied to determine if the congestion_wait() callers are still broken.
I still think this is a complete red herring.
--
Jens Axboe
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next prev parent reply other threads:[~2009-10-22 21:49 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-22 14:22 [PATCH 0/5] Candidate fix for increased number of GFP_ATOMIC failures V2 Mel Gorman
2009-10-22 14:22 ` [PATCH 1/5] page allocator: Always wake kswapd when restarting an allocation attempt after direct reclaim failed Mel Gorman
2009-10-22 14:24 ` [PATCH 1/5 Against 2.6.31.4] " Mel Gorman
2009-10-22 14:41 ` [PATCH 1/5] " Pekka Enberg
2009-10-22 15:49 ` Mel Gorman
2009-10-26 1:11 ` KOSAKI Motohiro
2009-10-26 7:10 ` David Rientjes
2009-10-27 2:42 ` KOSAKI Motohiro
2009-10-27 12:27 ` Mel Gorman
2009-10-22 14:22 ` [PATCH 2/5] page allocator: Do not allow interrupts to use ALLOC_HARDER Mel Gorman
2009-10-22 16:33 ` Stephan von Krawczynski
2009-10-22 16:37 ` Mel Gorman
2009-10-23 9:57 ` Stephan von Krawczynski
2009-10-24 2:03 ` Christoph Lameter
2009-10-27 15:19 ` Mel Gorman
2009-10-25 12:57 ` Stephan von Krawczynski
2009-10-26 1:15 ` KOSAKI Motohiro
2009-10-22 14:22 ` [PATCH 3/5] vmscan: Force kswapd to take notice faster when high-order watermarks are being hit Mel Gorman
2009-10-23 17:52 ` Vincent Li
2009-10-23 22:12 ` Vincent Li
2009-10-27 10:38 ` Mel Gorman
2009-10-27 2:42 ` KOSAKI Motohiro
2009-10-22 14:22 ` [PATCH 4/5] page allocator: Pre-emptively wake kswapd when high-order watermarks are hit Mel Gorman
2009-10-22 19:41 ` David Rientjes
2009-10-23 9:13 ` Mel Gorman
2009-10-23 9:36 ` David Rientjes
2009-10-23 11:25 ` Mel Gorman
2009-10-23 11:31 ` Tobias Oetiker
2009-10-23 13:39 ` Mel Gorman
2009-10-27 2:42 ` KOSAKI Motohiro
2009-10-27 15:26 ` Mel Gorman
2009-10-22 14:22 ` [PATCH 5/5] ONLY-APPLY-IF-STILL-FAILING Revert 373c0a7e, 8aa7e847: Fix congestion_wait() sync/async vs read/write confusion Mel Gorman
2009-10-22 14:25 ` Against 2.6.31.4 [PATCH 5/5] " Mel Gorman
2009-10-22 21:49 ` Jens Axboe [this message]
2009-10-27 2:42 ` [PATCH 5/5] ONLY-APPLY-IF-STILL-FAILING " KOSAKI Motohiro
2009-10-27 10:29 ` Frans Pop
2009-10-22 14:47 ` [PATCH 0/5] Candidate fix for increased number of GFP_ATOMIC failures V2 Pekka Enberg
2009-10-22 16:03 ` Mel Gorman
2009-10-24 1:52 ` Christoph Lameter
2009-10-24 6:48 ` Pekka Enberg
2009-10-24 6:48 ` Pekka Enberg
2009-10-22 15:43 ` reinette chatre
2009-10-27 10:40 ` Mel Gorman
2009-10-27 23:34 ` reinette chatre
2009-10-23 7:31 ` Sven Geggus
2009-10-23 16:58 ` Karol Lewandowski
2009-10-23 21:12 ` Karol Lewandowski
2009-10-24 13:46 ` Mel LKML
2009-10-28 11:42 ` Karol Lewandowski
2009-10-28 11:59 ` Mel Gorman
2009-10-30 14:23 ` Karol Lewandowski
2009-11-02 20:30 ` Mel Gorman
2009-11-04 2:03 ` Karol Lewandowski
2009-10-28 12:55 ` Tobi Oetiker
2009-10-24 13:51 ` Frans Pop
2009-10-24 14:02 ` Sven Geggus
2009-10-27 13:27 ` Mel Gorman
2009-10-26 17:37 ` Tobias Oetiker
2009-10-27 15:36 ` Mel Gorman
2009-10-26 22:17 ` Frans Pop
2009-10-26 23:45 ` Frans Pop
2009-11-06 6:03 ` Tobias Diedrich
2009-11-06 9:24 ` Mel Gorman
2009-11-06 9:24 ` Mel Gorman
2009-11-06 11:15 ` Tobias Diedrich
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