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Date: Thu, 20 Nov 2008 12:16:28 -0600 (CST)
From: Christoph Lameter <cl@linux-foundation.org>
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To: Cyrill Gorcunov <gorcunov@gmail.com>
cc: Pekka Enberg <penberg@cs.helsinki.fi>, LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: mm: slab - __cache_alloc NULL prefetch fix
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On Thu, 20 Nov 2008, Cyrill Gorcunov wrote:

> even having prefetch(NULL) as valid we do check if
> object is not NULL anyway so I thought there is no
> need to prefetch(NULL) in case of fail.

The object is only checked if SLAB_DEBUG is on.