linux-kernel - Re: mmap/clone returns ENOMEM with lots of free memory

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Message-ID: <20120508163144.13ab1814@pyramind.ukuu.org.uk>
Date:	Tue, 8 May 2012 16:31:44 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Robert Święcki <robert@...ecki.net>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: mmap/clone returns ENOMEM with lots of free memory

> Setting overcommit memory to 2 means that the app is strictly policed
> for staying within bounds on virtual memory. Dont do that.

For a fuzz test you probably do want it at 2 to avoid the box dying in a
swap storm.


Alan
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