From: Christoph Lameter <clameter@sgi.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Mel Gorman <mel@skynet.ie>, Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel@vger.kernel.org, linux-mm@vger.kernel.org
Subject: Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)
Date: Wed, 24 Oct 2007 19:15:33 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0710241913220.29434@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20071024192849.GA3206@martell.zuzino.mipt.ru>
On Wed, 24 Oct 2007, Alexey Dobriyan wrote:
> [12728.701398] DMA free:8032kB min:32kB low:40kB high:48kB active:2716kB
> inactive:2208kB present:12744kB pages_scanned:9299 all_unreclaimable?
> yes [12728.701567] lowmem_reserve[]: 0 2003 2003 2003 [12728.701654]
Ummm... all unreclaimable is set! Are you mlocking the pages in memory? Or
what causes this? All pages under writeback? What is the dirty ratio set
to?
> pages_scanned:9363 all_unreclaimable? yes [12735.178618]
And again.
> lowmem_reserve[]: 0 2003 2003 2003 [12735.178706] DMA32 free:5700kB
> min:5708kB low:7132kB high:8560kB active:512264kB inactive:1304912kB
> present:2051880kB pages_scanned:3251584 all_unreclaimable? yes
And again.
next prev parent reply other threads:[~2007-10-25 2:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 18:16 Alexey Dobriyan
2007-10-23 19:35 ` Christoph Lameter
2007-10-23 19:48 ` Pekka Enberg
2007-10-23 19:57 ` Christoph Lameter
2007-10-24 8:09 ` Mel Gorman
2007-10-24 19:28 ` Alexey Dobriyan
2007-10-25 2:15 ` Christoph Lameter [this message]
2007-10-25 2:34 ` Nick Piggin
2007-10-25 2:43 ` Christoph Lameter
2007-10-25 3:06 ` Nick Piggin
2007-10-23 20:04 ` Pekka Enberg
2007-10-23 20:09 ` Christoph Lameter
2007-10-23 20:41 ` Pekka Enberg
2007-10-24 16:56 ` Christoph Lameter
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