From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lin Feng Subject: Re: [PATCH 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable() Date: Wed, 20 Feb 2013 10:59:03 +0800 Message-ID: <51243BF7.3030004@cn.fujitsu.com> 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)> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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 To: Wanpeng Li Return-path: In-Reply-To: <20130220024435.GA30208@hacker.(null)> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.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