Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761309AbXE3WNt (ORCPT ); Wed, 30 May 2007 18:13:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757901AbXE3WNl (ORCPT ); Wed, 30 May 2007 18:13:41 -0400 Received: from terminus.zytor.com ([192.83.249.54]:48049 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758181AbXE3WNk (ORCPT ); Wed, 30 May 2007 18:13:40 -0400 Message-ID: <465DF70C.9090408@zytor.com> Date: Wed, 30 May 2007 15:13:32 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Dave Airlie CC: Linus Torvalds , Andi Kleen , Linux Kernel Mailing List Subject: Re: GFP_DMA32 and PAE x86 machines References: <21d7e9970705301410m16ded9esdf7a49371c60a155@mail.gmail.com> <465DECD7.8030104@zytor.com> <21d7e9970705301507o2a89e824xdc6a980e8dbedaaf@mail.gmail.com> In-Reply-To: <21d7e9970705301507o2a89e824xdc6a980e8dbedaaf@mail.gmail.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 423 Lines: 12 Dave Airlie wrote: > Depending on split all lowmem is below 1GB which isn't exactly > optimal, I'd llike all 4GB for DMA. Yes, but creating new memory zones is expensive. -hpa - 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/