From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757311AbYKTRCp (ORCPT ); Thu, 20 Nov 2008 12:02:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757038AbYKTRBx (ORCPT ); Thu, 20 Nov 2008 12:01:53 -0500 Received: from nf-out-0910.google.com ([64.233.182.191]:1962 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757004AbYKTRBw (ORCPT ); Thu, 20 Nov 2008 12:01:52 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=NR1ATGbfenmpHuwRv9XnRkofphGTp7WwU2B3wcGd6yM/1mdXypvWUXisoF8hpDPTfu wyKXyG1j+PnF5hMHto5DOZlw58wbqZK0OGJQYEZiHpvP0baV5BGhQH3uVZrUS8dimQY8 6D1iMcXCHx/HNyyCDSC3+6FoeSFsp/t3P06vI= Date: Thu, 20 Nov 2008 20:01:48 +0300 From: Cyrill Gorcunov To: Christoph Lameter , Pekka Enberg , LKML , Andrew Morton Subject: Re: mm: slab - __cache_alloc NULL prefetch fix Message-ID: <20081120170148.GD7363@localhost> References: <20081120164400.GC7363@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081120164400.GC7363@localhost> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [Cyrill Gorcunov - Thu, Nov 20, 2008 at 07:44:00PM +0300] | Do not prefetch NULL | | Signed-off-by: Cyrill Gorcunov | --- | | 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 -