From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx161.postini.com [74.125.245.161]) by kanga.kvack.org (Postfix) with SMTP id 36A576B002C for ; Mon, 27 Feb 2012 20:24:13 -0500 (EST) Received: from m2.gw.fujitsu.co.jp (unknown [10.0.50.72]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 725CB3EE081 for ; Tue, 28 Feb 2012 10:24:11 +0900 (JST) Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 5B39D45DE4D for ; Tue, 28 Feb 2012 10:24:11 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (s2.gw.fujitsu.co.jp [10.0.50.92]) by m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 430DB45DD74 for ; Tue, 28 Feb 2012 10:24:11 +0900 (JST) Received: from s2.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id 3520F1DB8038 for ; Tue, 28 Feb 2012 10:24:11 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.240.81.147]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id E48171DB802C for ; Tue, 28 Feb 2012 10:24:10 +0900 (JST) Date: Tue, 28 Feb 2012 10:22:43 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [PATCH v3 17/21] mm: handle lruvec relock in memory controller Message-Id: <20120228102243.a353f871.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20120223135310.12988.46867.stgit@zurg> References: <20120223133728.12988.5432.stgit@zurg> <20120223135310.12988.46867.stgit@zurg> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: Hugh Dickins , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Johannes Weiner , Andrew Morton , Andi Kleen On Thu, 23 Feb 2012 17:53:10 +0400 Konstantin Khlebnikov wrote: > Carefully relock lruvec lru lock at page memory cgroup change. > > * In free_pn_rcu() wait for lruvec lock release. > Locking primitives keep lruvec pointer after successful lock held. > > Signed-off-by: Konstantin Khlebnikov Acked-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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org