From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx166.postini.com [74.125.245.166]) by kanga.kvack.org (Postfix) with SMTP id 5EE0A6B0032 for ; Mon, 3 Jun 2013 03:34:22 -0400 (EDT) Message-ID: <51AC47A2.6020108@cn.fujitsu.com> Date: Mon, 03 Jun 2013 15:37:06 +0800 From: Tang Chen MIME-Version: 1.0 Subject: Re: [PATCH v3 12/13] x86, numa, acpi, memory-hotplug: Make movablecore=acpi have higher priority. References: <1369387762-17865-1-git-send-email-tangchen@cn.fujitsu.com> <1369387762-17865-13-git-send-email-tangchen@cn.fujitsu.com> <20130603025924.GB7441@hacker.(null)> In-Reply-To: <20130603025924.GB7441@hacker.(null)> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: owner-linux-mm@kvack.org List-ID: To: Wanpeng Li Cc: mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, tj@kernel.org, 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, x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On 06/03/2013 10:59 AM, Wanpeng Li wrote: > On Fri, May 24, 2013 at 05:29:21PM +0800, Tang Chen wrote: >> Arrange hotpluggable memory as ZONE_MOVABLE will cause NUMA performance decreased >> because the kernel cannot use movable memory. >> >> For users who don't use memory hotplug and who don't want to lose their NUMA >> performance, they need a way to disable this functionality. >> >> So, if users specify "movablecore=acpi" in kernel commandline, the kernel will >> use SRAT to arrange ZONE_MOVABLE, and it has higher priority then original >> movablecore and kernelcore boot option. >> >> For those who don't want this, just specify nothing. >> > > Reviewed-by: Wanpeng Li Thank you very much for reviewing these patches. :) -- 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