Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751510AbYJSE2r (ORCPT ); Sun, 19 Oct 2008 00:28:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750739AbYJSE2j (ORCPT ); Sun, 19 Oct 2008 00:28:39 -0400 Received: from rv-out-0506.google.com ([209.85.198.232]:37582 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750698AbYJSE2i (ORCPT ); Sun, 19 Oct 2008 00:28:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=WvfpVx7v2WsIJMFGuvubHQIUmLJ1oPHLU7+tI265JOqcjhUHDyRUwVsHyhc1kTIZfa s05m+oHz5QZGApDZ4ct02An0crPEeHlEgzvQMxvr9XW3k+muEtOdx/M8RubJ8MDP+M5p Xqc3i7C2FFyrp6NcjjMeonpK2JMxmbHonAFD8= Message-ID: <86802c440810182128g392483ddt121157a87301a005@mail.gmail.com> Date: Sat, 18 Oct 2008 21:28:37 -0700 From: "Yinghai Lu" To: "Ingo Molnar" Subject: Re: [git pull] drm patches for 2.6.27-rc1 Cc: "Keith Packard" , "Linus Torvalds" , "Nick Piggin" , "Dave Airlie" , "Linux Kernel Mailing List" , dri-devel@lists.sf.net, "Andrew Morton" In-Reply-To: <20081018223214.GA5093@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200810181237.49784.nickpiggin@yahoo.com.au> <1224357062.4384.72.camel@koto.keithp.com> <20081018203741.GA23396@elte.hu> <1224366690.4384.89.camel@koto.keithp.com> <20081018223214.GA5093@elte.hu> X-Google-Sender-Auth: f7a11a15f3a0fb84 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 861 Lines: 24 On Sat, Oct 18, 2008 at 3:32 PM, Ingo Molnar wrote: > > (In fact if we installed it into the linear kernel address space, and if > the aperture is 1GB aligned, we will automatically use gbpages for it. > Were Intel to support gbpages in the future ;-) > we could expand init_memory_mapping to support direct map for them... with needed prot. or use set init_memory_mapping() + set_memory_wb() directly. but that is only for 64bit x86 also someone is talking about to have 6 pcie display adapters on 64bit system. and every card will have 4g ram. 32bit could use fix map for 1G or 2G mapping. YH -- 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/