From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx110.postini.com [74.125.245.110]) by kanga.kvack.org (Postfix) with SMTP id 59E906B004F for ; Thu, 26 Jan 2012 10:13:22 -0500 (EST) Date: Thu, 26 Jan 2012 09:13:16 -0600 (CST) From: Christoph Lameter Subject: Re: [v7 7/8] mm: only IPI CPUs to drain local pages if they exist In-Reply-To: <1327572121-13673-8-git-send-email-gilad@benyossef.com> Message-ID: References: <1327572121-13673-1-git-send-email-gilad@benyossef.com> <1327572121-13673-8-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: linux-kernel@vger.kernel.org, Mel Gorman , KOSAKI Motohiro , Chris Metcalf , Peter Zijlstra , Frederic Weisbecker , Russell King , linux-mm@kvack.org, Pekka Enberg , Matt Mackall , Sasha Levin , Rik van Riel , Andi Kleen , Andrew Morton , Alexander Viro , linux-fsdevel@vger.kernel.org, Avi Kivity , Michal Nazarewicz , Milton Miller On Thu, 26 Jan 2012, Gilad Ben-Yossef wrote: > Calculate a cpumask of CPUs with per-cpu pages in any zone > and only send an IPI requesting CPUs to drain these pages > to the buddy allocator if they actually have pages when > asked to flush. Acked-by: Christoph Lameter -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org