From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx123.postini.com [74.125.245.123]) by kanga.kvack.org (Postfix) with SMTP id 6A26B6B0034 for ; Thu, 20 Jun 2013 09:58:28 -0400 (EDT) Date: Thu, 20 Jun 2013 13:58:27 +0000 From: Christoph Lameter Subject: Re: [PATCH v2 2/2] mm: add sysctl to pick vmstat monitor cpu In-Reply-To: <1371672168-9869-2-git-send-email-gilad@benyossef.com> Message-ID: <0000013f61e10d68-d5ca253d-d14f-4547-8291-aafa6b596ed7-000000@email.amazonses.com> References: <1371672168-9869-2-git-send-email-gilad@benyossef.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Gilad Ben-Yossef Cc: "Paul E. McKenney" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Frederic Weisbecker On Wed, 19 Jun 2013, Gilad Ben-Yossef wrote: > Add a sysctl knob to enable admin to hand pick the scapegoat cpu > that will perform the extra work of preiodically checking for > new VM activity on CPUs that have switched off their vmstat_update > work item schedling. Not necessary if we use the dynticks sacrificial processor (boot cpu). Seems to be also used for RCU. -- 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