From: Mel Gorman <mel@csn.ul.ie>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Frans Pop <elendil@planet.nl>,
Larry Finger <Larry.Finger@lwfinger.net>,
"John W. Linville" <linville@tuxdriver.com>,
linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
ipw3945-devel@lists.sourceforge.net,
Andrew Morton <akpm@linux-foundation.org>,
cl@linux-foundation.org, Assaf Krauss <assaf.krauss@intel.com>,
Johannes Berg <johannes@sipsolutions.net>,
Mohamed Abbas <mohamed.abbas@intel.com>
Subject: Re: iwlagn: order 2 page allocation failures
Date: Thu, 10 Sep 2009 13:34:46 +0100 [thread overview]
Message-ID: <20090910123445.GC31153@csn.ul.ie> (raw)
In-Reply-To: <1252570722.4876.23.camel@penberg-laptop>
On Thu, Sep 10, 2009 at 11:18:42AM +0300, Pekka Enberg wrote:
> On Wed, 2009-09-09 at 17:55 +0100, Mel Gorman wrote:
> > On Wed, Sep 09, 2009 at 05:59:30PM +0200, Frans Pop wrote:
> > > On Wednesday 09 September 2009, Mel Gorman wrote:
> > > > Franz, in the full dmesg was there any mention of "SLUB: Unable to
> > > > allocate memory on node"?
> > >
> > > No, nothing at all. I double checked the kernel log, but it was completely
> > > quiet in the hours before and after the messages I already posted.
> > >
> >
> > Ok, that in itself is unexpected.
> >
> > Pekka, it looks from the stack trace that the failure is from
> > __alloc_skb and I am guessing the failure path is around here
> >
> > size = SKB_DATA_ALIGN(size);
> > data = kmalloc_node_track_caller(size + sizeof(struct skb_shared_info),
> > gfp_mask, node);
> > if (!data)
> > goto nodata;
> >
> > Why would the SLUB out-of-memory message not appear? It's hardly
> > tripping up on printk_ratelimit() is it?
>
> That's because it's a large allocation that's passed directly to the
> page allocator. See kmalloc_large_node(), for example.
>
Pants. Is there any chance that could be fixed so that allocation
failures within SLUB get consistently reported?
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
next prev parent reply other threads:[~2009-09-10 12:34 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-06 7:40 iwlagn: order 2 page allocation failures Frans Pop
2009-09-06 8:14 ` Pekka Enberg
2009-09-06 8:28 ` Frans Pop
2009-09-06 8:35 ` Pekka Enberg
2009-09-08 10:54 ` Mel Gorman
2009-09-08 11:11 ` Pekka Enberg
2009-09-08 14:17 ` John W. Linville
2009-09-08 14:59 ` Larry Finger
2009-09-09 15:04 ` Mel Gorman
2009-09-09 15:59 ` Frans Pop
2009-09-09 16:55 ` Mel Gorman
2009-09-09 17:19 ` Frans Pop
2009-09-16 14:36 ` Frans Pop
2009-09-16 15:02 ` Mel Gorman
2009-09-16 15:37 ` Frans Pop
2009-09-16 16:26 ` reinette chatre
2009-09-16 16:26 ` reinette chatre
2009-09-09 20:05 ` reinette chatre
2009-09-09 20:05 ` reinette chatre
2009-09-10 1:48 ` Frans Pop
2009-09-10 1:48 ` Frans Pop
2009-09-10 9:02 ` Mel Gorman
2009-09-10 9:02 ` Mel Gorman
2009-09-10 18:15 ` reinette chatre
2009-09-10 18:15 ` reinette chatre
2009-09-10 18:43 ` Frans Pop
2009-09-10 18:43 ` Frans Pop
2009-09-10 18:50 ` reinette chatre
2009-09-10 18:50 ` reinette chatre
2009-09-11 8:45 ` Mel Gorman
2009-09-11 8:45 ` Mel Gorman
2009-09-11 16:14 ` reinette chatre
2009-09-11 16:14 ` reinette chatre
2009-09-10 21:14 ` reinette chatre
2009-09-10 21:14 ` reinette chatre
2009-09-11 8:47 ` Mel Gorman
2009-09-11 8:47 ` Mel Gorman
2009-09-14 3:01 ` Zhu Yi
2009-09-14 3:01 ` Zhu Yi
2009-09-14 13:06 ` Mel Gorman
2009-09-14 13:06 ` Mel Gorman
2009-09-15 8:30 ` alloc skb based on a given data buffer Zhu Yi
2009-09-15 8:30 ` Zhu Yi
2009-09-15 8:33 ` David Miller
2009-09-15 8:33 ` David Miller
2009-09-15 8:57 ` Zhu Yi
2009-09-15 8:57 ` Zhu Yi
2009-09-15 9:09 ` David Miller
2009-09-15 9:15 ` Zhu Yi
2009-09-15 9:15 ` Zhu Yi
2009-09-15 15:30 ` Johannes Berg
2009-09-15 15:30 ` Johannes Berg
2009-09-15 15:30 ` Johannes Berg
2009-09-15 21:16 ` David Miller
2009-09-15 21:16 ` David Miller
2009-09-19 5:56 ` Johannes Berg
2009-09-14 15:42 ` iwlagn: order 2 page allocation failures Christoph Lameter
2009-09-14 15:42 ` Christoph Lameter
2009-09-14 17:59 ` Mel Gorman
2009-09-14 17:59 ` Mel Gorman
2009-09-14 18:04 ` Christoph Lameter
2009-09-14 18:04 ` Christoph Lameter
2009-09-10 8:18 ` Pekka Enberg
2009-09-10 12:34 ` Mel Gorman [this message]
2009-09-10 12:39 ` Pekka Enberg
2009-09-10 12:58 ` Mel Gorman
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