From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx125.postini.com [74.125.245.125]) by kanga.kvack.org (Postfix) with SMTP id 17C086B0044 for ; Tue, 27 Nov 2012 00:31:40 -0500 (EST) Message-ID: <50B45021.2000009@zytor.com> Date: Mon, 26 Nov 2012 21:31:13 -0800 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map References: <1353667445-7593-1-git-send-email-tangchen@cn.fujitsu.com> <1353667445-7593-6-git-send-email-tangchen@cn.fujitsu.com> <50B36354.7040501@gmail.com> <50B36B54.7050506@cn.fujitsu.com> <50B38F69.6020902@zytor.com> <50B4304F.4070302@cn.fujitsu.com> In-Reply-To: <50B4304F.4070302@cn.fujitsu.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Wen Congyang Cc: Tang Chen , wujianguo , akpm@linux-foundation.org, rob@landley.net, isimatu.yasuaki@jp.fujitsu.com, laijs@cn.fujitsu.com, linfeng@cn.fujitsu.com, jiang.liu@huawei.com, yinghai@kernel.org, kosaki.motohiro@jp.fujitsu.com, minchan.kim@gmail.com, mgorman@suse.de, rientjes@google.com, rusty@rustcorp.com.au, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, wujianguo@huawei.com, qiuxishi@huawei.com On 11/26/2012 07:15 PM, Wen Congyang wrote: > > Hi, hpa > > The problem is that: > node1 address rang: [18G, 34G), and the user specifies movable map is [8G, 24G). > We don't know node1's address range before numa init. So we can't prevent > allocating boot memory in the range [24G, 34G). > > The movable memory should be classified as a non-RAM type in memblock. What > do you want to say? We don't save type in memblock because we only > add E820_RAM and E820_RESERVED_KERN to memblock. > We either need to keep the type or not add it to the memblocks. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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