linux-kernel - Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)

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Message-ID: <471E5021.8090300@cs.helsinki.fi>
Date:	Tue, 23 Oct 2007 22:48:49 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <clameter@....com>
CC:	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, linux-mm@...r.kernel.org
Subject: Re: SLUB 0:1 SLAB (OOM during massive parallel kernel builds)

Hi,

On Tue, 23 Oct 2007, Alexey Dobriyan wrote:
> > cc1 invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0

Christoph Lameter wrote:
> Regular Order 0 alloc .... but why is there no memory available , 
> reclaimed?

I am too wondering where all that memory is going. Logging /proc/meminfo 
and slabinfo -S (see Documentation/vm/slabinfo.c) every few minutes or 
so probably might help answering that question.

				Pekka

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