From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753803AbYAUUDT (ORCPT ); Mon, 21 Jan 2008 15:03:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752132AbYAUUDH (ORCPT ); Mon, 21 Jan 2008 15:03:07 -0500 Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:39273 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751998AbYAUUDG (ORCPT ); Mon, 21 Jan 2008 15:03:06 -0500 Date: Mon, 21 Jan 2008 12:09:23 -0800 From: Yinghai Lu Subject: Re: [PATCH] x86_32: trim memory by updating e820 v2 In-reply-to: To: Justin Piszcz Cc: Jesse Barnes , Andi Kleen , Ingo Molnar , "H. Peter Anvin" , LKML , Andrew Morton Message-id: <200801211209.23901.yinghai.lu@sun.com> Organization: Sun MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Content-disposition: inline References: <200801192045.17291.yinghai.lu@sun.com> <200801210830.22322.jesse.barnes@intel.com> User-Agent: KMail/1.9.6 (enterprise 20070904.708012) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 21 January 2008 11:14:02 am Justin Piszcz wrote: > > On Mon, 21 Jan 2008, Jesse Barnes wrote: > > > On Sunday, January 20, 2008 10:56 pm Yinghai Lu wrote: > >> [PATCH] x86_32: trim memory by updating e820 v2 > >> > >> when mtrr is not covering all e820 table, need to trim the ram, need to > >> update e820 > >> > >> reuse some code for x86_64 > >> > >> here need to add early_identify_cpu for x86_32, and move mtrr_bp_init early > >> > >> compiled test only, need someone test it > > > > I like this approach too. So as long as the E820 modification method works > > (i.e. we have some testers, maybe Justin can give it a try), you can add > > > > Signed-off-by: Jesse Barnes > > > > or > > > > Acked-by: Jesse Barnes > > > > as appropriate too. > > > > Thanks, > > Jesse > > > > Subject: Re: [PATCH] x86_32: trim memory by updating e820 v2 > ^^ > > I run x86_64 btw-- if there is a kernel.patch for x86_64 please let me > know and I can test, thanks. please get x86.git git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git cd linux-2.6 #--------------{ x86.git instructions }----------> # Add Linus's tree as a remote git remote add linus git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git # Add Ingo's tree as a remote git remote add x86 git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git # With that setup, just run the following to get any changes you # don't have. It will also notice any new branches Ingo/Linus # add to their repo. Look in .git/config afterwards, the format # to add new remotes is easy to figure out. git remote update #------------------------- git merge x86/master git merge x86/mm and apply [PATCH] x86_64: check if Tom2 is enabled http://lkml.org/lkml/2008/1/21/20 [PATCH] x86_64: update e820 instead of updating end_pfn v3 http://lkml.org/lkml/2008/1/21/19 [PATCH] x86_32: trim memory by updating e820 v2 http://lkml.org/lkml/2008/1/21/18 YH