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From: Rafael Aquini <aquini@redhat.com>
To: David Rientjes <rientjes@google.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Randy Dunlap <rdunlap@xenotime.net>,
	Christoph Lameter <cl@linux-foundation.org>,
	Pekka Enberg <penberg@kernel.org>, Matt Mackall <mpm@selenic.com>,
	Rik van Riel <riel@redhat.com>, Josef Bacik <josef@redhat.com>
Subject: Re: [PATCH -v2] mm: SLAB Out-of-memory diagnostics
Date: Wed, 7 Mar 2012 11:46:44 -0300	[thread overview]
Message-ID: <20120307144643.GB2009@x61.redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1203062142290.6424@chino.kir.corp.google.com>

On Tue, Mar 06, 2012 at 09:42:57PM -0800, David Rientjes wrote:
> On Wed, 7 Mar 2012, Cong Wang wrote:
> 
> > > Following the example at mm/slub.c, add out-of-memory diagnostics to the
> > > SLAB allocator to help on debugging certain OOM conditions.
> > > 
> > > An example print out looks like this:
> > > 
> > >    <snip page allocator out-of-memory message>
> > >    SLAB: Unable to allocate memory on node 0 (gfp=0x11200)
> > >       cache: bio-0, object size: 192, order: 0
> > >       node0: slabs: 3/3, objs: 60/60, free: 0
> > > 
> > 
> > Nitpick:
> > 
> > What about "node: 0" instead of "node0: " ?
> > 
> 
> Good catch, that format would match the output of the slub out-of-memory 
> messages.
>

To be honest, I really don't see a big advantage on the nitpick, however, if we
want to accurately copycat the slub output here, I can insert a blank space
between the word and the digit, like the following:
   "node #: ..."

  Rafael 

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  reply	other threads:[~2012-03-07 14:48 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-05 18:10 [PATCH -v2] mm: SLAB Out-of-memory diagnostics Rafael Aquini
2012-03-05 20:02 ` Rik van Riel
2012-03-07  3:41 ` David Rientjes
2012-03-07 14:18   ` Rafael Aquini
2012-03-07  5:06 ` Cong Wang
2012-03-07  5:42   ` David Rientjes
2012-03-07 14:46     ` Rafael Aquini [this message]
2012-03-09 19:41       ` Pekka Enberg
2012-03-09 20:27         ` [PATCH v3] " Rafael Aquini
2012-03-09 20:33           ` Pekka Enberg
2012-03-09 23:46           ` David Rientjes
2012-03-10  8:48             ` Pekka Enberg
2012-03-10  0:23           ` Eric Dumazet
2012-03-10  3:16             ` Rafael Aquini

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