Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759134AbXELTVl (ORCPT ); Sat, 12 May 2007 15:21:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755932AbXELTVf (ORCPT ); Sat, 12 May 2007 15:21:35 -0400 Received: from one.firstfloor.org ([213.235.205.2]:49013 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755779AbXELTVe (ORCPT ); Sat, 12 May 2007 15:21:34 -0400 Date: Sat, 12 May 2007 21:21:30 +0200 From: Andi Kleen To: Oleg Nesterov Cc: Andi Kleen , Andrew Morton , Christoph Lameter , Peter Zijlstra , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ingo Molnar , Thomas Gleixner , Nick Piggin Subject: Re: [PATCH 1/2] scalable rw_mutex Message-ID: <20070512192130.GA8833@one.firstfloor.org> References: <20070511131541.992688403@chello.nl> <20070511132321.895740140@chello.nl> <20070511093108.495feb70.akpm@linux-foundation.org> <20070511110522.ed459635.akpm@linux-foundation.org> <20070512181254.GA331@tv-sign.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070512181254.GA331@tv-sign.ru> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 639 Lines: 15 > This also allows us to de-uglify workqueue.c a little bit, it uses > a home-grown cpu_populated_map. It might be obsolete iff more and more architecture don't use NR_CPUS filled possible_map anymore (haven't checked them all to know if it's true or not) If not there are a couple of more optimizations that can be done, e.g. in networking by converting more code to hotplug notifier. -Andi - 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/