From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755661AbZGIUdR (ORCPT ); Thu, 9 Jul 2009 16:33:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754125AbZGIUdE (ORCPT ); Thu, 9 Jul 2009 16:33:04 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:53351 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753928AbZGIUdD (ORCPT ); Thu, 9 Jul 2009 16:33:03 -0400 To: Oleg Nesterov Cc: Andrew Morton , Alexey Dobriyan , Dominic Duval , Frank Hirtz , "Fuller\, Johnray" , "James M. Leddy" , Larry Woodman , Paul Batkowski , Roland McGrath , linux-kernel@vger.kernel.org References: <20090709173610.GA29069@redhat.com> From: ebiederm@xmission.com (Eric W. Biederman) Date: Thu, 09 Jul 2009 13:32:58 -0700 In-Reply-To: <20090709173610.GA29069@redhat.com> (Oleg Nesterov's message of "Thu\, 9 Jul 2009 19\:36\:10 +0200") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-XM-SPF: eid=;;;mid=;;;hst=in02.mta.xmission.com;;;ip=76.21.114.89;;;frm=ebiederm@xmission.com;;;spf=neutral X-SA-Exim-Connect-IP: 76.21.114.89 X-SA-Exim-Rcpt-To: oleg@redhat.com, linux-kernel@vger.kernel.org, roland@redhat.com, pbatkowski@redhat.com, lwoodman@redhat.com, jleddy@redhat.com, Johnray.Fuller@gs.com, fhirtz@redhat.com, dduval@redhat.com, adobriyan@gmail.com, akpm@linux-foundation.org X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-DCC: XMission; sa02 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;Oleg Nesterov X-Spam-Relay-Country: X-Spam-Report: * -1.8 ALL_TRUSTED Passed through trusted hosts only via SMTP * 1.5 XMNoVowels Alpha-numberic number with no vowels * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa02 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 T_TooManySym_01 4+ unique symbols in subject * 0.0 XM_SPF_Neutral SPF-Neutral * 0.0 T_TooManySym_02 5+ unique symbols in subject * 0.4 UNTRUSTED_Relay Comes from a non-trusted relay Subject: Re: [PATCH 0/1] proc_flush_task: flush /proc/tid/task/pid when a sub-thread exits X-SA-Exim-Version: 4.2.1 (built Thu, 25 Oct 2007 00:26:12 +0000) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oleg Nesterov writes: > Alexey, Eric, could you please review and ack/nack ? > > I just can't understand what was the reason for "if (thread_group_leader())" > check in proc_flush_task() pathes. Give me a day or two. There are definitely bugs there. My cleanup patch for that has gotten lost several times. All of this is an optimization so it isn't critical we get this right. Just a good idea. Eric