Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934266AbcJTOjM (ORCPT ); Thu, 20 Oct 2016 10:39:12 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42891 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756169AbcJTOjJ (ORCPT ); Thu, 20 Oct 2016 10:39:09 -0400 Date: Thu, 20 Oct 2016 09:38:59 -0500 From: Reza Arbab To: Balbir Singh Cc: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Rob Herring , Frank Rowand , Andrew Morton , Bharata B Rao , Nathan Fontenot , Stewart Smith , Alistair Popple , "Aneesh Kumar K.V" , Tang Chen , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4 3/5] powerpc/mm: allow memory hotplug into a memoryless node References: <1475778995-1420-1-git-send-email-arbab@linux.vnet.ibm.com> <1475778995-1420-4-git-send-email-arbab@linux.vnet.ibm.com> <872f253d-8a55-246c-2be0-636a588e2dd0@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <872f253d-8a55-246c-2be0-636a588e2dd0@gmail.com> Organization: IBM Linux Technology Center User-Agent: Mutt/1.6.2-neo (2016-08-21) X-TM-AS-GCONF: 00 X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16102014-8235-0000-0000-0000096F1082 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00005946; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000187; SDB=6.00770637; UDB=6.00369443; IPR=6.00547182; BA=6.00004821; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00013053; XFM=3.00000011; UTC=2016-10-20 14:39:05 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16102014-8236-0000-0000-000035CB4E20 Message-Id: <20161020143859.qkpwxvphzbvxfup7@arbab-laptop.austin.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-10-20_08:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1610200263 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 311 Lines: 11 On Thu, Oct 20, 2016 at 02:30:42PM +1100, Balbir Singh wrote: >FYI, these checks were temporary to begin with > >I found this in git history > >b226e462124522f2f23153daff31c311729dfa2f (powerpc: don't add memory to empty node/zone) Nice find! I spent some time digging, but this had eluded me. -- Reza Arbab