From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx108.postini.com [74.125.245.108]) by kanga.kvack.org (Postfix) with SMTP id 214316B0031 for ; Tue, 23 Jul 2013 17:04:43 -0400 (EDT) Received: by mail-gg0-f174.google.com with SMTP id y3so2425024ggc.5 for ; Tue, 23 Jul 2013 14:04:42 -0700 (PDT) Date: Tue, 23 Jul 2013 17:04:35 -0400 From: Tejun Heo Subject: Re: [PATCH 17/21] page_alloc, mem-hotplug: Improve movablecore to {en|dis}able using SRAT. Message-ID: <20130723210435.GV21100@mtj.dyndns.org> References: <1374220774-29974-1-git-send-email-tangchen@cn.fujitsu.com> <1374220774-29974-18-git-send-email-tangchen@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1374220774-29974-18-git-send-email-tangchen@cn.fujitsu.com> Sender: owner-linux-mm@kvack.org List-ID: To: Tang Chen Cc: tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com, akpm@linux-foundation.org, trenn@suse.de, yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com, mgorman@suse.de, minchan@kernel.org, mina86@mina86.com, gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com, riel@redhat.com, jweiner@redhat.com, prarit@redhat.com, zhangyanfei@cn.fujitsu.com, yanghy@cn.fujitsu.com, x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org On Fri, Jul 19, 2013 at 03:59:30PM +0800, Tang Chen wrote: ... > Users can specify "movablecore=acpi" in kernel commandline to enable this > functionality. For those who don't use memory hotplug or who don't want > to lose their NUMA performance, just don't specify anything. The kernel > will work as before. The param name is pretty obscure and why would the user care where that hotplug information came from? Shouldn't it be something handled by memblock proper? ie. a knob which tells memblock to either honor or ignore hotpluggable area reservations. Thanks. -- tejun -- 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