From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755345AbYIKSKi (ORCPT ); Thu, 11 Sep 2008 14:10:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752472AbYIKSK3 (ORCPT ); Thu, 11 Sep 2008 14:10:29 -0400 Received: from mtagate3.de.ibm.com ([195.212.29.152]:56995 "EHLO mtagate3.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752312AbYIKSK3 (ORCPT ); Thu, 11 Sep 2008 14:10:29 -0400 Date: Thu, 11 Sep 2008 21:10:06 +0300 From: Muli Ben-Yehuda To: FUJITA Tomonori Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, Alexis Bruemmer Subject: Re: [PATCH 1/2] x86: avoid unnecessary low zone allocation in Calgary's alloc_coherent Message-ID: <20080911181006.GV6975@il.ibm.com> References: <1221142128-28350-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> <1221142128-28350-2-git-send-email-fujita.tomonori@lab.ntt.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1221142128-28350-2-git-send-email-fujita.tomonori@lab.ntt.co.jp> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 11, 2008 at 11:08:47PM +0900, FUJITA Tomonori wrote: > x86's common alloc_coherent (dma_alloc_coherent in dma-mapping.h) sets > up the gfp flag according to the device dma_mask but Calgary doesn't > need it because of virtual mappings. This patch avoids unnecessary low > zone allocation. > > Signed-off-by: FUJITA Tomonori > Cc: Alexis Bruemmer > Cc: Muli Ben-Yehuda Looks good, Acked-by: Muli Ben-Yehuda Cheers, Muli -- Workshop on I/O Virtualization (WIOV '08) Co-located with OSDI '08, Dec 2008, San Diego, CA http://www.usenix.org/wiov08