From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757001Ab3AYNRt (ORCPT ); Fri, 25 Jan 2013 08:17:49 -0500 Received: from cantor2.suse.de ([195.135.220.15]:60212 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756161Ab3AYNRq (ORCPT ); Fri, 25 Jan 2013 08:17:46 -0500 Date: Fri, 25 Jan 2013 14:17:40 +0100 From: Michal Hocko To: Simon Jeons Cc: Tang Chen , akpm@linux-foundation.org, rientjes@google.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, wujianguo@huawei.com, wency@cn.fujitsu.com, hpa@zytor.com, linfeng@cn.fujitsu.com, laijs@cn.fujitsu.com, mgorman@suse.de, yinghai@kernel.org, glommer@parallels.com, jiang.liu@huawei.com, julian.calaby@gmail.com, sfr@canb.auug.org.au, x86@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org Subject: Re: [PATCH Bug fix 0/5] Bug fix for physical memory hot-remove. Message-ID: <20130125131740.GA1615@dhcp22.suse.cz> References: <1358854984-6073-1-git-send-email-tangchen@cn.fujitsu.com> <1358944171.3351.1.camel@kernel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1358944171.3351.1.camel@kernel> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 23-01-13 06:29:31, Simon Jeons wrote: > On Tue, 2013-01-22 at 19:42 +0800, Tang Chen wrote: > > Here are some bug fix patches for physical memory hot-remove. All these > > patches are based on the latest -mm tree. > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm > > > > And patch1 and patch3 are very important. > > patch1: free compound pages when freeing memmap, otherwise the kernel > > will panic the next time memory is hot-added. > > patch3: the old way of freeing pagetable pages was wrong. We should never > > split larger pages into small ones. > > > > > > Hi Tang, > > I remember your big physical memory hot-remove patchset has already > merged by Andrew, but where I can find it? Could you give me git tree > address? Andrew tree is also mirrored into a git tree. http://git.kernel.org/?p=linux/kernel/git/mhocko/mm.git;a=summary It contains only Memory management patches on top of the last major release (since-.X.Y branch). -- Michal Hocko SUSE Labs