linux-kernel - Re: [PATCH v3] mm: SLAB Out-of-memory diagnostics

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Message-ID: <alpine.LFD.2.02.1203101046510.1718@tux.localdomain>
Date:	Sat, 10 Mar 2012 10:48:12 +0200 (EET)
From:	Pekka Enberg <penberg@...nel.org>
To:	David Rientjes <rientjes@...gle.com>
cc:	Rafael Aquini <aquini@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...otime.net>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Matt Mackall <mpm@...enic.com>, Rik van Riel <riel@...hat.com>,
	Josef Bacik <josef@...hat.com>,
	Cong Wang <xiyou.wangcong@...il.com>
Subject: Re: [PATCH v3] mm: SLAB Out-of-memory diagnostics


> On Fri, 9 Mar 2012, Rafael Aquini 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
> >     node 0: slabs: 3/3, objs: 60/60, free: 0
> > 
> > Signed-off-by: Rafael Aquini <aquini@...hat.com>
> > Acked-by: Rik van Riel <riel@...hat.com>

On Fri, 9 Mar 2012, David Rientjes wrote:
> Acked-by: David Rientjes <rientjes@...gle.com>
> 
> Thanks for following through with this!

Applied, thanks guys!

			Pekka
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