From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx197.postini.com [74.125.245.197]) by kanga.kvack.org (Postfix) with SMTP id E2C086B0037 for ; Thu, 11 Apr 2013 11:10:28 -0400 (EDT) Received: by mail-ia0-f180.google.com with SMTP id l29so1489456iag.39 for ; Thu, 11 Apr 2013 08:10:28 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <51666930.6090702@cn.fujitsu.com> References: <1365415000-10389-1-git-send-email-linfeng@cn.fujitsu.com> <51666930.6090702@cn.fujitsu.com> Date: Thu, 11 Apr 2013 08:10:28 -0700 Message-ID: Subject: Re: [PATCH 0/2] mm: vmemmap: add vmemmap_verify check for hot-add node/memory case From: Yinghai Lu Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Tang Chen 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 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. Thanks Yinghai -- 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