From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx206.postini.com [74.125.245.206]) by kanga.kvack.org (Postfix) with SMTP id 472226B0006 for ; Mon, 8 Apr 2013 16:55:55 -0400 (EDT) Date: Mon, 8 Apr 2013 13:55:53 -0700 From: Andrew Morton Subject: Re: [PATCH 0/2] mm: vmemmap: add vmemmap_verify check for hot-add node/memory case Message-Id: <20130408135553.2f60518d923b6920bdf1931f@linux-foundation.org> In-Reply-To: References: <1365415000-10389-1-git-send-email-linfeng@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Yinghai Lu Cc: Lin Feng , 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 On Mon, 8 Apr 2013 11:40:11 -0700 Yinghai Lu wrote: > On Mon, Apr 8, 2013 at 2:56 AM, Lin Feng wrote: > > In hot add node(memory) case, vmemmap pages are always allocated from other > > node, > > that is broken, and should be fixed. > vmemmap should be on local node even for hot add node. > That would be nice. I don't see much value in the added warnings, really. Because there's nothing the user can *do* about them, apart from a) stop using NUMA, b) stop using memory hotplug, c) become a kernel MM developer or d) switch to Windows. -- 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