From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx136.postini.com [74.125.245.136]) by kanga.kvack.org (Postfix) with SMTP id 237706B0068 for ; Sat, 16 Jun 2012 02:26:58 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id AD92A3EE081 for ; Sat, 16 Jun 2012 15:26:56 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 9806B45DEA6 for ; Sat, 16 Jun 2012 15:26:56 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 80B1345DE9E for ; Sat, 16 Jun 2012 15:26:56 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 750441DB803B for ; Sat, 16 Jun 2012 15:26:56 +0900 (JST) Received: from m1001.s.css.fujitsu.com (m1001.s.css.fujitsu.com [10.240.81.139]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 2FD901DB8038 for ; Sat, 16 Jun 2012 15:26:56 +0900 (JST) Message-ID: <4FDC26BB.80806@jp.fujitsu.com> Date: Sat, 16 Jun 2012 15:24:59 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH 2/2] hugetlb/cgroup: Assign the page hugetlb cgroup when we move the page to active list. References: <87k3z8nb3h.fsf@skywalker.in.ibm.com> <1339754902-17779-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1339754902-17779-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1339754902-17779-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" Cc: linux-mm@kvack.org, mhocko@suse.cz, akpm@linux-foundation.org (2012/06/15 19:08), Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > page's hugetlb cgroup assign and moving to active list should happen with > hugetlb_lock held. Otherwise when we remove the hugetlb cgroup we would > iterate the active list and will find page with NULL hugetlb cgroup values. > > Signed-off-by: Aneesh Kumar K.V Reviewed-by: KAMEZAWA Hiroyuki -- 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