From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx128.postini.com [74.125.245.128]) by kanga.kvack.org (Postfix) with SMTP id 6808C6B0005 for ; Thu, 11 Apr 2013 21:10:23 -0400 (EDT) Message-ID: <51675FA1.9000203@cn.fujitsu.com> Date: Fri, 12 Apr 2013 09:13:05 +0800 From: Tang Chen MIME-Version: 1.0 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: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: 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 On 04/11/2013 11:10 PM, Yinghai Lu wrote: > On Thu, Apr 11, 2013 at 12:41 AM, Tang Chen wro= te: >> >> 3. If we add flag to memblock, we can mark different memory. And I remem= ber >> 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 w= ith >> hot-add, hot-remove code modified to support putting vmemmap, pageta= ble, >> pgdat, page=5Fcgroup, ..., on local node. > > Need to have it separated with moving=5Fzone. > > 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. > OK=EF=BC=8Cthanks for the comments. I'll merge it into my work and post an = RFC=20 patch-set soon. Thanks. :) = -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org