From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 15B568D0039 for ; Wed, 9 Feb 2011 18:49:19 -0500 (EST) Received: from m2.gw.fujitsu.co.jp (unknown [10.0.50.72]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 4A6223EE0BD for ; Thu, 10 Feb 2011 08:49:16 +0900 (JST) Received: from smail (m2 [127.0.0.1]) by outgoing.m2.gw.fujitsu.co.jp (Postfix) with ESMTP id 32AA645DD74 for ; Thu, 10 Feb 2011 08:49:16 +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 119C145DE4D for ; Thu, 10 Feb 2011 08:49:16 +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 026261DB8038 for ; Thu, 10 Feb 2011 08:49:16 +0900 (JST) Received: from ml14.s.css.fujitsu.com (ml14.s.css.fujitsu.com [10.249.87.104]) by s2.gw.fujitsu.co.jp (Postfix) with ESMTP id C34A91DB803A for ; Thu, 10 Feb 2011 08:49:15 +0900 (JST) Date: Thu, 10 Feb 2011 08:42:58 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [patch] memcg: charged pages always have valid per-memcg zone info Message-Id: <20110210084258.55e158fe.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <1297248275-23521-1-git-send-email-hannes@cmpxchg.org> References: <1297248275-23521-1-git-send-email-hannes@cmpxchg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Andrew Morton , Daisuke Nishimura , Balbir Singh , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Wed, 9 Feb 2011 11:44:35 +0100 Johannes Weiner wrote: > page_cgroup_zoneinfo() will never return NULL for a charged page, > remove the check for it in mem_cgroup_get_reclaim_stat_from_page(). > > Signed-off-by: Johannes Weiner IIUC, this _was_ required when force_empty() had troubles. But now, not required. 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