From: Paul Jackson <pj@sgi.com>
To: David Rientjes <rientjes@google.com>
Cc: peterz@infradead.org, akpm@linux-foundation.org, ak@suse.de,
clameter@cthulhu.engr.sgi.com, linux-kernel@vger.kernel.org
Subject: Re: [patch] cpusets: do not allow TIF_MEMDIE tasks to allocate globally
Date: Wed, 6 Jun 2007 00:34:21 -0700 [thread overview]
Message-ID: <20070606003421.1107a8bf.pj@sgi.com> (raw)
In-Reply-To: <alpine.DEB.0.99.0706060012260.15316@chino.kir.corp.google.com>
> a separate exclusive cpuset mlock'd a gigantic amount of
> memory and it could not reliably exit because the mlock continued to
> allocate outside its own cpuset and eventually OOM'd system-critical tasks
> or depleated all system memory.
Seems like that mlock code is able then to get great globs of memory
without returning to user space ... perhaps that's where the fix
should be ... that code should quit chewing up memory if it's
marked MEMDIE or some such?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
next prev parent reply other threads:[~2007-06-06 7:34 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-05 22:39 [patch] cpusets: do not allow TIF_MEMDIE tasks to allocate globally David Rientjes
2007-06-05 22:40 ` Christoph Lameter
2007-06-05 22:42 ` David Rientjes
2007-06-05 23:01 ` Paul Jackson
2007-06-05 23:16 ` David Rientjes
2007-06-05 23:19 ` Paul Jackson
2007-06-05 23:20 ` Christoph Lameter
2007-06-05 23:25 ` David Rientjes
2007-06-05 23:32 ` Christoph Lameter
2007-06-05 23:44 ` David Rientjes
2007-06-05 23:55 ` Paul Jackson
2007-06-06 1:17 ` David Rientjes
2007-06-06 1:20 ` Paul Jackson
2007-06-05 23:57 ` Christoph Lameter
2007-06-06 1:23 ` David Rientjes
2007-06-06 1:32 ` Christoph Lameter
2007-06-06 1:40 ` David Rientjes
2007-06-06 1:54 ` Christoph Lameter
2007-06-06 3:29 ` David Rientjes
2007-06-06 6:20 ` Peter Zijlstra
2007-06-06 6:42 ` David Rientjes
2007-06-06 7:09 ` Peter Zijlstra
2007-06-06 7:18 ` David Rientjes
2007-06-06 7:34 ` Paul Jackson [this message]
2007-06-06 7:39 ` Andrew Morton
2007-06-06 7:48 ` David Rientjes
2007-06-06 7:56 ` Paul Jackson
2007-06-06 8:00 ` Andrew Morton
2007-06-06 8:03 ` Peter Zijlstra
2007-06-06 7:56 ` Peter Zijlstra
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