Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753537Ab3ISS62 (ORCPT ); Thu, 19 Sep 2013 14:58:28 -0400 Received: from a194-110.smtp-out.amazonses.com ([199.255.194.110]:61517 "EHLO a194-110.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753002Ab3ISS61 (ORCPT ); Thu, 19 Sep 2013 14:58:27 -0400 Date: Thu, 19 Sep 2013 18:58:25 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Thomas Gleixner cc: Andrew Morton , Gilad Ben-Yossef , Tejun Heo , John Stultz , Mike Frysinger , Minchan Kim , Hakan Akkan , Max Krasnyansky , Frederic Weisbecker , "linux-kernel@vger.kernel.org" , "Paul E. McKenney" , Linux-MM Subject: Re: RFC vmstat: On demand vmstat threads In-Reply-To: Message-ID: <000001413796641f-017482d3-1194-499b-8f2a-d7686c1ae61f-000000@email.amazonses.com> References: <00000140e9dfd6bd-40db3d4f-c1be-434f-8132-7820f81bb586-000000@email.amazonses.com> <0000014109b8e5db-4b0f577e-c3b4-47fe-b7f2-0e5febbcc948-000000@email.amazonses.com> <20130918150659.5091a2c3ca94b99304427ec5@linux-foundation.org> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 199.255.194.110 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 779 Lines: 18 On Thu, 19 Sep 2013, Thomas Gleixner wrote: > The vmstat accounting is not the only thing which we want to delegate > to dedicated core(s) for the full NOHZ mode. > > So instead of playing broken games with explicitly not exposed core > code variables, we should implement a core code facility which is > aware of the NOHZ details and provides a sane way to delegate stuff to > a certain subset of CPUs. I would be happy to use such a facility. Otherwise I would just be adding yet another kernel option or boot parameter I guess. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/