linux-kernel - Re: mm: slab - __cache

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Message-ID: <20081120170148.GD7363@localhost>
Date:	Thu, 20 Nov 2008 20:01:48 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Christoph Lameter <cl@...ux-foundation.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: mm: slab - __cache_alloc NULL prefetch fix

[Cyrill Gorcunov - Thu, Nov 20, 2008 at 07:44:00PM +0300]
| Do not prefetch NULL
| 
| Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
| ---
| 
| Please check
|
...

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.
 
		- Cyrill -
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