From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262317AbVERQ1P (ORCPT ); Wed, 18 May 2005 12:27:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262332AbVERQZ4 (ORCPT ); Wed, 18 May 2005 12:25:56 -0400 Received: from colin.muc.de ([193.149.48.1]:36878 "EHLO mail.muc.de") by vger.kernel.org with ESMTP id S262334AbVERQZc (ORCPT ); Wed, 18 May 2005 12:25:32 -0400 Date: 18 May 2005 18:25:28 +0200 Date: Wed, 18 May 2005 18:25:28 +0200 From: Andi Kleen To: Matt Tolentino Cc: akpm@osdl.org, apw@shadowen.org, haveblue@us.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [patch 2/4] add x86-64 Kconfig options for sparsemem Message-ID: <20050518162528.GC88141@muc.de> References: <200505181524.j4IFOfew026909@snoqualmie.dp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200505181524.j4IFOfew026909@snoqualmie.dp.intel.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 18, 2005 at 08:24:41AM -0700, Matt Tolentino wrote: > > Add the requisite arch specific Kconfig options to enable > the use of the sparsemem implementation for NUMA kernels > on x86-64. How much did you test sparsemem on x86-64 NUMA ? There are various cases that probably need to be checked, AMD with SRAT, AMD without SRAT, AMD with more than 4GB RAM, Summit(?), NUMA EMULATION etc. If all that works I would have no problem with removing the old code. -Andi