From: Andrew Morton <akpm@linux-foundation.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Miguel Figueiredo <elmig@debianpt.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.21 frozen for a few minutes, swapping to disk
Date: Mon, 30 Apr 2007 22:49:11 -0700 [thread overview]
Message-ID: <20070430224911.ac989f40.akpm@linux-foundation.org> (raw)
In-Reply-To: <4636D346.2010507@yahoo.com.au>
On Tue, 01 May 2007 15:42:30 +1000 Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> > hm, a genuine oom on an all-ext3 data=ordered i386 system, just like a
> > million other people. How very weird.
> >
> > I assume all those pages on the LRU are pagecache pages which for some
> > reason we're unable to reclaim.
>
> It looks like it used up all swap? I'd guess a memory leak in some
> application, or maybe a page refcount leak somewhere.
yes, I missed that. The number of mapped pages is tiny so the thing has
been trying to swap out like.
The question is: how much memory is free after the oom-killing storm?
If it's "lots" then it's probably an application problem. If it's
"not much" then perhaps there's a kernel leak.
next prev parent reply other threads:[~2007-05-01 5:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-29 10:28 2.6.21 frozen for a few minutes, swapping to disk Miguel Figueiredo
2007-04-30 7:30 ` Andrew Morton
2007-05-01 5:42 ` Nick Piggin
2007-05-01 5:49 ` Andrew Morton [this message]
2007-05-01 5:58 ` Nick Piggin
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