Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965022Ab3DHUz4 (ORCPT ); Mon, 8 Apr 2013 16:55:56 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:49970 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965003Ab3DHUzz (ORCPT ); Mon, 8 Apr 2013 16:55:55 -0400 Date: Mon, 8 Apr 2013 13:55:53 -0700 From: Andrew Morton 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 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> X-Mailer: Sylpheed 3.2.0beta5 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 836 Lines: 22 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 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/