From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Christoph Lameter <cl@linux-foundation.org>,
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
Date: Thu, 20 Nov 2008 20:01:48 +0300 [thread overview]
Message-ID: <20081120170148.GD7363@localhost> (raw)
In-Reply-To: <20081120164400.GC7363@localhost>
[Cyrill Gorcunov - Thu, Nov 20, 2008 at 07:44:00PM +0300]
| Do not prefetch NULL
|
| Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.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 -
next prev parent reply other threads:[~2008-11-20 17:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-20 16:44 mm: slab - __cache_alloc NULL prefetch fix Cyrill Gorcunov
2008-11-20 17:01 ` Cyrill Gorcunov [this message]
2008-11-20 18:16 ` Christoph Lameter
2008-11-20 18:24 ` Cyrill Gorcunov
2008-11-20 18:15 ` Christoph Lameter
2008-11-20 19:58 ` Valdis.Kletnieks
2008-11-20 20:03 ` Pekka Enberg
2008-11-20 20:10 ` Cyrill Gorcunov
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