linux-kernel - Re: Misleading OOM messages

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Message-ID: <alpine.DEB.1.10.0905141546040.1381@qirst.com>
Date:	Thu, 14 May 2009 15:46:50 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pavel Machek <pavel@....cz>
cc:	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Nick Piggin <npiggin@...e.de>, Mel Gorman <mel@....ul.ie>,
	Peter Ziljstra <a.p.ziljstra@...llo.nl>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	San Mehat <san@...roid.com>, Arve Hj?nnev?g <arve@...roid.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Misleading OOM messages

On Thu, 14 May 2009, Pavel Machek wrote:

> It can be 'low on memory' if you play with mlock() a bit.

But that is a reclaim failure becuase of mlocking pages.

> It is out of memory if you run out of swap (or have no swap to begin with).

That is a swap config issue.

> I believe message is often correct. What message would you suggest?

"Failure to reclaim memory"


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