Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752831Ab3DLBK3 (ORCPT ); Thu, 11 Apr 2013 21:10:29 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:6942 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751688Ab3DLBK2 convert rfc822-to-8bit (ORCPT ); Thu, 11 Apr 2013 21:10:28 -0400 X-IronPort-AV: E=Sophos;i="4.87,459,1363104000"; d="scan'208";a="7039528" Message-ID: <51675FA1.9000203@cn.fujitsu.com> Date: Fri, 12 Apr 2013 09:13:05 +0800 From: Tang Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Yinghai Lu CC: Lin Feng , Andrew Morton , Christoph Lameter , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Catalin Marinas , will.deacon@arm.com, Arnd Bergmann , tony@atomide.com, Ben Hutchings , linux-arm-kernel@lists.infradead.org, Linux Kernel Mailing List , the arch/x86 maintainers , Linux MM , Yasuaki Ishimatsu , Jiang Liu Subject: Re: [PATCH 0/2] mm: vmemmap: add vmemmap_verify check for hot-add node/memory case References: <1365415000-10389-1-git-send-email-linfeng@cn.fujitsu.com> <51666930.6090702@cn.fujitsu.com> In-Reply-To: X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/12 09:08:57, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/12 09:09:08 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1177 Lines: 31 On 04/11/2013 11:10 PM, Yinghai Lu wrote: > On Thu, Apr 11, 2013 at 12:41 AM, Tang Chen wrote: >> >> 3. If we add flag to memblock, we can mark different memory. And I remember >> you mentioned before that we can use memblock to reserve local node data >> for node-life-cycle data, like vmemmap, pagetable. >> >> So are you doing the similar work now ? > > No, i did not start it yet. > >> >> If not, I think I can merge it into mine, and push a new patch-set with >> hot-add, hot-remove code modified to support putting vmemmap, pagetable, >> pgdat, page_cgroup, ..., on local node. > > Need to have it separated with moving_zone. > > 1. rework memblock to keep alive all the way for hotplug usage. > 2. put pagetable and vmemap on the local node range with help of memblock. > OKļ¼Œthanks for the comments. I'll merge it into my work and post an RFC patch-set soon. Thanks. :) -- 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/