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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next prev parent 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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