Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965700AbcJYJkI (ORCPT ); Tue, 25 Oct 2016 05:40:08 -0400 Received: from ozlabs.org ([103.22.144.67]:37417 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965642AbcJYJj4 (ORCPT ); Tue, 25 Oct 2016 05:39:56 -0400 From: Michael Ellerman To: Balbir Singh , Reza Arbab , Benjamin Herrenschmidt , Paul Mackerras , Rob Herring , Frank Rowand , Andrew Morton Cc: 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 In-Reply-To: <872f253d-8a55-246c-2be0-636a588e2dd0@gmail.com> 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> User-Agent: Notmuch/0.21 (https://notmuchmail.org) Date: Tue, 25 Oct 2016 20:39:45 +1100 Message-ID: <87pomoydge.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: 543 Lines: 17 Balbir Singh writes: > 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 thanks for digging it up. commit b226e462124522f2f23153daff31c311729dfa2f Author: Mike Kravetz AuthorDate: Fri Dec 16 14:30:35 2005 -0800 ^^^^ That is why maintainers don't like to merge "temporary" patches :) cheers