linux-kernel - Re: [PATCH] Fix procfs task exe symlink

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Date:	Wed, 23 Jan 2008 20:46:31 +0000
From:	David Howells <dhowells@...hat.com>
To:	Matt Helsley <matthltc@...ibm.com>
Cc:	dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Al Viro <viro@....linux.org.uk>,
	William H Taber <wtaber@...ibm.com>,
	William Cesar de Oliveira <owilliam@...ibm.com>,
	Richard Kissel <rkissel@...ibm.com>,
	Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] Fix procfs task exe symlink

Matt Helsley <matthltc@...ibm.com> wrote:

> To solve the problem this patch changes the way that the kernel resolves a
> task's exe symlink. Instead of walking the VMAs to find the first
> executable file-backed VMA we store a reference to the exec'd file in the
> mm_struct -- /foo/bar/jvm/bin/java in the example above.

Sounds interesting.

> 	nommu-only code paths are untested -- lacking access to nommu system

I could test it, but it'll have to wait until I get back from LCA in a couple
of weeks time.

David
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