From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f51.google.com (mail-pa0-f51.google.com [209.85.220.51]) by kanga.kvack.org (Postfix) with ESMTP id 34F0D6B0031 for ; Thu, 19 Sep 2013 14:58:29 -0400 (EDT) Received: by mail-pa0-f51.google.com with SMTP id lf1so10059368pab.10 for ; Thu, 19 Sep 2013 11:58:28 -0700 (PDT) Date: Thu, 19 Sep 2013 18:58:25 +0000 From: Christoph Lameter 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> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: 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 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, 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