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Date: Mon, 17 Aug 2009 12:41:54 -0400 (EDT)
From: Christoph Lameter <cl@linux-foundation.org>
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To: Pekka Enberg <penberg@cs.helsinki.fi>
cc: Ingo Molnar <mingo@elte.hu>, Amerigo Wang <amwang@redhat.com>,
       linux-kernel@vger.kernel.org, Vegard Nossum <vegard.nossum@gmail.com>,
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       David Rientjes <rientjes@google.com>, Matt Mackall <mpm@selenic.com>,
       Arjan van de Ven <arjan@linux.intel.com>
Subject: Re: [Patch] proc: drop write permission on 'timer_list' and
 'slabinfo'
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On Mon, 17 Aug 2009, Pekka Enberg wrote:

> > slab needs the write permissions for tuning!
>
> Oh, crap, you're right, I had forgotten about that. It's probably best to keep
> slub permissions as-is, no?

slub perms can be changed. The patch is okay for that. But there is no
write method in slub. Effectively it makes no difference. Just the
display is nicer in /proc.