From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754094AbaG2PKU (ORCPT ); Tue, 29 Jul 2014 11:10:20 -0400 Received: from qmta09.emeryville.ca.mail.comcast.net ([76.96.30.96]:45101 "EHLO qmta09.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751321AbaG2PKQ (ORCPT ); Tue, 29 Jul 2014 11:10:16 -0400 Date: Tue, 29 Jul 2014 10:10:11 -0500 (CDT) From: Christoph Lameter To: Tejun Heo cc: Peter Zijlstra , Sasha Levin , akpm@linux-foundation.org, Gilad Ben-Yossef , Thomas Gleixner , John Stultz , Mike Frysinger , Minchan Kim , Hakan Akkan , Max Krasnyansky , Frederic Weisbecker , "Paul E. McKenney" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, hughd@google.com, viresh.kumar@linaro.org, hpa@zytor.com, mingo@kernel.org, Lai Jiangshan Subject: Re: vmstat: On demand vmstat workers V8 In-Reply-To: <20140729131226.GS7462@htj.dyndns.org> Message-ID: References: <53D31101.8000107@oracle.com> <20140729075637.GA19379@twins.programming.kicks-ass.net> <20140729120525.GA28366@mtj.dyndns.org> <20140729122303.GA3935@laptop> <20140729131226.GS7462@htj.dyndns.org> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 29 Jul 2014, Tejun Heo wrote: > I agree this can be improved, but at least for now, please add cpu > down hooks. We need them right now and they'll be helpful when later > separating out the correctness ones. mm/vmstat.c already has cpu down hooks. See vmstat_cpuup_callback(). From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vc0-f181.google.com (mail-vc0-f181.google.com [209.85.220.181]) by kanga.kvack.org (Postfix) with ESMTP id 04C366B0035 for ; Tue, 29 Jul 2014 11:10:16 -0400 (EDT) Received: by mail-vc0-f181.google.com with SMTP id lf12so13471144vcb.40 for ; Tue, 29 Jul 2014 08:10:16 -0700 (PDT) Received: from qmta15.emeryville.ca.mail.comcast.net (qmta15.emeryville.ca.mail.comcast.net. [2001:558:fe2d:44:76:96:27:228]) by mx.google.com with ESMTPS id pw10si14735441vec.96.2014.07.29.08.10.15 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 29 Jul 2014 08:10:16 -0700 (PDT) Date: Tue, 29 Jul 2014 10:10:11 -0500 (CDT) From: Christoph Lameter Subject: Re: vmstat: On demand vmstat workers V8 In-Reply-To: <20140729131226.GS7462@htj.dyndns.org> Message-ID: References: <53D31101.8000107@oracle.com> <20140729075637.GA19379@twins.programming.kicks-ass.net> <20140729120525.GA28366@mtj.dyndns.org> <20140729122303.GA3935@laptop> <20140729131226.GS7462@htj.dyndns.org> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: Peter Zijlstra , Sasha Levin , akpm@linux-foundation.org, Gilad Ben-Yossef , Thomas Gleixner , John Stultz , Mike Frysinger , Minchan Kim , Hakan Akkan , Max Krasnyansky , Frederic Weisbecker , "Paul E. McKenney" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, hughd@google.com, viresh.kumar@linaro.org, hpa@zytor.com, mingo@kernel.org, Lai Jiangshan On Tue, 29 Jul 2014, Tejun Heo wrote: > I agree this can be improved, but at least for now, please add cpu > down hooks. We need them right now and they'll be helpful when later > separating out the correctness ones. mm/vmstat.c already has cpu down hooks. See vmstat_cpuup_callback(). -- 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