From: Dave Peterson <dsp@llnl.gov>
To: Paul Jackson <pj@sgi.com>, Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
riel@surriel.com, nickpiggin@yahoo.com.au, ak@suse.de
Subject: Re: [PATCH 1/2 (repost)] mm: serialize OOM kill operations
Date: Fri, 28 Apr 2006 15:09:03 -0700 [thread overview]
Message-ID: <200604281509.03140.dsp@llnl.gov> (raw)
In-Reply-To: <20060427160250.a72cae11.pj@sgi.com>
On Thursday 27 April 2006 16:02, Paul Jackson wrote:
> I'm still a little surprised that this per-mm 'oom_notify' bit
> was needed to implement what I thought was a single, global
> system wide oom killer serializer.
I think the title "mm: serialize OOM kill operations" was probably a
poor choice of words. It sounds like all I want to do is make sure
tasks enter the OOM killer one-at-a-time. My goal is actually to
prevent further OOM kill operations until the OOM kill in progress
has caused the victim task to free its address space (i.e. clean out
its mm_struct). That way we don't shoot more processes than necessary
to resolve the OOM condition.
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next prev parent reply other threads:[~2006-04-28 22:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-27 20:08 [PATCH 1/2 (repost)] mm: serialize OOM kill operations Dave Peterson
2006-04-27 20:44 ` Paul Jackson
2006-04-27 21:09 ` Andrew Morton
2006-04-27 21:32 ` Dave Peterson
2006-04-27 23:02 ` Paul Jackson
2006-04-28 22:09 ` Dave Peterson [this message]
2006-04-27 22:56 ` Andrew Morton
2006-04-28 21:59 ` Dave Peterson
2006-04-28 22:16 ` Andrew Morton
2006-04-28 22:24 ` Dave Peterson
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