From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935554Ab3BTDAo (ORCPT ); Tue, 19 Feb 2013 22:00:44 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:41529 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S933835Ab3BTDAn (ORCPT ); Tue, 19 Feb 2013 22:00:43 -0500 X-IronPort-AV: E=Sophos;i="4.84,699,1355068800"; d="scan'208";a="6732431" Message-ID: <51243BF7.3030004@cn.fujitsu.com> Date: Wed, 20 Feb 2013 10:59:03 +0800 From: Lin Feng User-Agent: Mozilla/5.0 (X11; Linux i686; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 MIME-Version: 1.0 To: Wanpeng Li CC: Mel Gorman , Andrew Morton , bcrl@kvack.org, viro@zeniv.linux.org.uk, khlebnikov@openvz.org, walken@google.com, kamezawa.hiroyu@jp.fujitsu.com, minchan@kernel.org, riel@redhat.com, rientjes@google.com, isimatu.yasuaki@jp.fujitsu.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, jiang.liu@huawei.com, mhocko@suse.cz, linux-mm@kvack.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable() References: <1359972248-8722-1-git-send-email-linfeng@cn.fujitsu.com> <1359972248-8722-2-git-send-email-linfeng@cn.fujitsu.com> <20130204160624.5c20a8a0.akpm@linux-foundation.org> <20130205115722.GF21389@suse.de> <20130205133244.GH21389@suse.de> <51238033.6010005@cn.fujitsu.com> <5124363C.9060604@cn.fujitsu.com> <20130220024435.GA30208@hacker.(null)> In-Reply-To: <20130220024435.GA30208@hacker.(null)> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/02/20 10:59:57, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/02/20 11:00:01, Serialize complete at 2013/02/20 11:00:01 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Wanpeng, On 02/20/2013 10:44 AM, Wanpeng Li wrote: >> Sorry, I misunderstood what "tail pages" means, stupid question, just ignore it. >> >flee... > According to the compound page, the first page of compound page is > called head page, other sub pages are called tail pages. > > Regards, > Wanpeng Li > Yes, you are right, thanks for explaining. I thought it just means only the last one of the compound pages.. thanks, linfeng From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <51243BF7.3030004@cn.fujitsu.com> Date: Wed, 20 Feb 2013 10:59:03 +0800 From: Lin Feng MIME-Version: 1.0 Subject: Re: [PATCH 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable() References: <1359972248-8722-1-git-send-email-linfeng@cn.fujitsu.com> <1359972248-8722-2-git-send-email-linfeng@cn.fujitsu.com> <20130204160624.5c20a8a0.akpm@linux-foundation.org> <20130205115722.GF21389@suse.de> <20130205133244.GH21389@suse.de> <51238033.6010005@cn.fujitsu.com> <5124363C.9060604@cn.fujitsu.com> <20130220024435.GA30208@hacker.(null)> In-Reply-To: <20130220024435.GA30208@hacker.(null)> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Wanpeng Li Cc: Mel Gorman , Andrew Morton , bcrl@kvack.org, viro@zeniv.linux.org.uk, khlebnikov@openvz.org, walken@google.com, kamezawa.hiroyu@jp.fujitsu.com, minchan@kernel.org, riel@redhat.com, rientjes@google.com, isimatu.yasuaki@jp.fujitsu.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, jiang.liu@huawei.com, mhocko@suse.cz, linux-mm@kvack.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Hi Wanpeng, On 02/20/2013 10:44 AM, Wanpeng Li wrote: >> Sorry, I misunderstood what "tail pages" means, stupid question, just ignore it. >> >flee... > According to the compound page, the first page of compound page is > called head page, other sub pages are called tail pages. > > Regards, > Wanpeng Li > Yes, you are right, thanks for explaining. I thought it just means only the last one of the compound pages.. thanks, linfeng -- 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