From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx197.postini.com [74.125.245.197]) by kanga.kvack.org (Postfix) with SMTP id 564A06B004A for ; Mon, 9 Apr 2012 20:37:17 -0400 (EDT) Received: from m1.gw.fujitsu.co.jp (unknown [10.0.50.71]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id 82B1A3EE0B6 for ; Tue, 10 Apr 2012 09:37:15 +0900 (JST) Received: from smail (m1 [127.0.0.1]) by outgoing.m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 5E52045DE5E for ; Tue, 10 Apr 2012 09:37:15 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by m1.gw.fujitsu.co.jp (Postfix) with ESMTP id 45F3E45DE5A for ; Tue, 10 Apr 2012 09:37:15 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 29E1FE38007 for ; Tue, 10 Apr 2012 09:37:15 +0900 (JST) Received: from ml13.s.css.fujitsu.com (ml13.s.css.fujitsu.com [10.240.81.133]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id CEC42E38003 for ; Tue, 10 Apr 2012 09:37:14 +0900 (JST) Message-ID: <4F838051.50101@jp.fujitsu.com> Date: Tue, 10 Apr 2012 09:35:29 +0900 From: KAMEZAWA Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH] mm: sync rss-counters at the end of exit_mm() References: <20120409200336.8368.63793.stgit@zurg> In-Reply-To: <20120409200336.8368.63793.stgit@zurg> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: Andrew Morton , linux-mm@kvack.org, Hugh Dickins , linux-kernel@vger.kernel.org, Markus Trippelsdorf (2012/04/10 5:03), Konstantin Khlebnikov wrote: > On task's exit do_exit() calls sync_mm_rss() but this is not enough, > there can be page-faults after this point, for example exit_mm() -> > mm_release() -> put_user() (for processing tsk->clear_child_tid). > Thus there may be some rss-counters delta in current->rss_stat. > > Signed-off-by: Konstantin Khlebnikov > Reported-by: Markus Trippelsdorf > Cc: Hugh Dickins > Cc: KAMEZAWA Hiroyuki Reviewed-by: KAMEZAWA Hiroyuki Does this fix recent issue reported ? -- 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