Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932219AbcKJBhP (ORCPT ); Wed, 9 Nov 2016 20:37:15 -0500 Received: from ozlabs.org ([103.22.144.67]:38501 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754771AbcKJBhN (ORCPT ); Wed, 9 Nov 2016 20:37:13 -0500 From: Michael Ellerman To: Reza Arbab , Benjamin Herrenschmidt , Paul Mackerras , Andrew Morton , Rob Herring , Frank Rowand , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Cc: linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, devicetree@vger.kernel.org, Bharata B Rao , Nathan Fontenot , Stewart Smith , Alistair Popple , Balbir Singh , "Aneesh Kumar K.V" , linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 1/4] powerpc/mm: allow memory hotplug into a memoryless node In-Reply-To: <1478562276-25539-2-git-send-email-arbab@linux.vnet.ibm.com> References: <1478562276-25539-1-git-send-email-arbab@linux.vnet.ibm.com> <1478562276-25539-2-git-send-email-arbab@linux.vnet.ibm.com> User-Agent: Notmuch/0.21 (https://notmuchmail.org) Date: Thu, 10 Nov 2016 12:37:10 +1100 Message-ID: <87k2ccjet5.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 804 Lines: 22 Reza Arbab writes: > Remove the check which prevents us from hotplugging into an empty node. > > The original commit b226e4621245 ("[PATCH] powerpc: don't add memory to > empty node/zone"), states that this was intended to be a temporary measure. > It is a workaround for an oops which no longer occurs. > > Signed-off-by: Reza Arbab > Reviewed-by: Aneesh Kumar K.V > Acked-by: Balbir Singh > Cc: Nathan Fontenot > Cc: Bharata B Rao > --- > arch/powerpc/mm/numa.c | 13 +------------ > 1 file changed, 1 insertion(+), 12 deletions(-) This seems OK from a powerpc perspective. Acked-by: Michael Ellerman cheers