From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx104.postini.com [74.125.245.104]) by kanga.kvack.org (Postfix) with SMTP id D3E7A6B0007 for ; Mon, 28 Jan 2013 04:16:45 -0500 (EST) Message-ID: <510641CC.9040707@cn.fujitsu.com> Date: Mon, 28 Jan 2013 17:15:56 +0800 From: Tang Chen MIME-Version: 1.0 Subject: Re: [PATCH 3/3] acpi, memory-hotplug: Support getting hotplug info from SRAT. References: <1359106929-3034-1-git-send-email-tangchen@cn.fujitsu.com> <1359106929-3034-4-git-send-email-tangchen@cn.fujitsu.com> <20130125171230.34c5a273.akpm@linux-foundation.org> In-Reply-To: <20130125171230.34c5a273.akpm@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: jiang.liu@huawei.com, wujianguo@huawei.com, hpa@zytor.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, linfeng@cn.fujitsu.com, yinghai@kernel.org, isimatu.yasuaki@jp.fujitsu.com, rob@landley.net, kosaki.motohiro@jp.fujitsu.com, minchan.kim@gmail.com, mgorman@suse.de, rientjes@google.com, guz.fnst@cn.fujitsu.com, rusty@rustcorp.com.au, lliubbo@gmail.com, jaegeuk.hanse@gmail.com, tony.luck@intel.com, glommer@parallels.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org On 01/26/2013 09:12 AM, Andrew Morton wrote: > On Fri, 25 Jan 2013 17:42:09 +0800 > Tang Chen wrote: > >> NOTE: Using this way will cause NUMA performance down because the whole = node >> will be set as ZONE=5FMOVABLE, and kernel cannot use memory on it. >> If users don't want to lose NUMA performance, just don't use it. > > I agree with this, but it means that nobody will test any of your new cod= e. > > To get improved testing coverage, can you think of any temporary > testing-only patch which will cause testers to exercise the > memory-hotplug changes? Hi Andrew, OK=EF=BC=8CI=E2=80=98ll think about it and post the testing patch. But I th= ink a shell=20 script may be easier because the boot option is specified by user and the code=20 only runs when system is booting. So we need to reboot the system all the time. Thanks. :) = -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org