Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754033Ab2K2WmD (ORCPT ); Thu, 29 Nov 2012 17:42:03 -0500 Received: from mga09.intel.com ([134.134.136.24]:37977 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751303Ab2K2WmA convert rfc822-to-8bit (ORCPT ); Thu, 29 Nov 2012 17:42:00 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,188,1355126400"; d="scan'208";a="249478932" From: "Luck, Tony" To: "H. Peter Anvin" , Mel Gorman CC: Jiang Liu , Tang Chen , "akpm@linux-foundation.org" , "rob@landley.net" , "isimatu.yasuaki@jp.fujitsu.com" , "laijs@cn.fujitsu.com" , "wency@cn.fujitsu.com" , "linfeng@cn.fujitsu.com" , "yinghai@kernel.org" , "kosaki.motohiro@jp.fujitsu.com" , "minchan.kim@gmail.com" , "rientjes@google.com" , "rusty@rustcorp.com.au" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "linux-doc@vger.kernel.org" , Len Brown , "Wang, Frank" Subject: RE: [PATCH v2 0/5] Add movablecore_map boot option Thread-Topic: [PATCH v2 0/5] Add movablecore_map boot option Thread-Index: AQHNzUWLbzufafl3KEuH3pSKrF3YJJf/w9zAgACJM4CAAOARgIAAVZyA///nswA= Date: Thu, 29 Nov 2012 22:41:44 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F1C95FC11@ORSMSX108.amr.corp.intel.com> References: <1353667445-7593-1-git-send-email-tangchen@cn.fujitsu.com> <50B5CFAE.80103@huawei.com> <3908561D78D1C84285E8C5FCA982C28F1C95EDCE@ORSMSX108.amr.corp.intel.com> <50B68467.5020008@zytor.com> <20121129110045.GX8218@suse.de> <50B7882D.5060100@zytor.com> In-Reply-To: <50B7882D.5060100@zytor.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.254.139] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 14 > The other bit is that if you really really want high reliability, memory > mirroring is the way to go; it is the only way you will be able to > hotremove memory without having to have a pre-event to migrate the > memory away from the affected node before the memory is offlined. Some platforms don't support cross-node mirrors ... but we still want to be able to remove a node. -Tony -- 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/