Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756042Ab0FYP2X (ORCPT ); Fri, 25 Jun 2010 11:28:23 -0400 Received: from one.firstfloor.org ([213.235.205.2]:56195 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755659Ab0FYP2V (ORCPT ); Fri, 25 Jun 2010 11:28:21 -0400 Date: Fri, 25 Jun 2010 17:28:19 +0200 From: Andi Kleen To: Nathan Fontenot Cc: Andi Kleen , KOSAKI Motohiro , linux-kernel@vger.kernel.org Subject: Re: [PATCH] memory hotplug disable boot option Message-ID: <20100625152819.GC13421@basil.fritz.box> References: <4C24012B.9030506@austin.ibm.com> <20100625105340.803C.A69D9226@jp.fujitsu.com> <87d3vfeage.fsf@basil.nowhere.org> <4C24C279.3050206@austin.ibm.com> <20100625145622.GB13421@basil.fritz.box> <4C24C96F.4030709@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C24C96F.4030709@austin.ibm.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 735 Lines: 22 > Yes, this would work to reduce the number of memory sections created. The reason Note it could be done on the sysfs interface level too, e.g. have one entry that gets a bitmap as input/output. > I have not gone this route is that increasing the memory section size would > break DLPAR memory add and remove for powerpc pseries. How would it break it? But aren't you breaking this anyways by disabling the sysfs entries?!? -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/