Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964977AbWIWAkW (ORCPT ); Fri, 22 Sep 2006 20:40:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964979AbWIWAkW (ORCPT ); Fri, 22 Sep 2006 20:40:22 -0400 Received: from cantor.suse.de ([195.135.220.2]:33750 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S964977AbWIWAkV (ORCPT ); Fri, 22 Sep 2006 20:40:21 -0400 From: Andi Kleen To: Christoph Lameter Subject: Re: More thoughts on getting rid of ZONE_DMA Date: Sat, 23 Sep 2006 02:37:44 +0200 User-Agent: KMail/1.9.3 Cc: Martin Bligh , Alan Cox , akpm@google.com, linux-kernel@vger.kernel.org, Christoph Hellwig , James Bottomley , linux-mm@kvack.org References: <200609230134.45355.ak@suse.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609230237.44132.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 543 Lines: 13 On Saturday 23 September 2006 02:25, Christoph Lameter wrote: > Another solution may be to favor high adresses in the page allocator? We used to do that, but it got changed because IO request merging without IOMMU works much better if you start low and go up instead of the other way round. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/