Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752438AbXA1P3F (ORCPT ); Sun, 28 Jan 2007 10:29:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752436AbXA1P3F (ORCPT ); Sun, 28 Jan 2007 10:29:05 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:54155 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752438AbXA1P3D (ORCPT ); Sun, 28 Jan 2007 10:29:03 -0500 Date: Sun, 28 Jan 2007 15:28:58 +0000 From: Christoph Hellwig To: Ingo Molnar Cc: Christoph Hellwig , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton Subject: Re: [PATCH] mm: remove global locks from mm/highmem.c Message-ID: <20070128152858.GA23410@infradead.org> Mail-Followup-To: Christoph Hellwig , Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton References: <1169993494.10987.23.camel@lappy> <20070128144933.GD16552@infradead.org> <20070128151700.GA7644@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070128151700.GA7644@elte.hu> User-Agent: Mutt/1.4.2.2i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 840 Lines: 18 On Sun, Jan 28, 2007 at 04:17:00PM +0100, Ingo Molnar wrote: > scalability. I did lock profiling on the -rt kernel, which exposes such > things nicely. Half of the lock contention events during kernel compile > were due to kmap(). (The system had 2 GB of RAM, so 40% lowmem, 60% > highmem.) Numbers please, and not on -rt but on mainline. Please show the profiles. > ps. please fix your mailer to not emit Mail-Followup-To headers. In Mutt > you can do this via "set followup_to=no" in your .muttrc. I have told you last time that this is absolutely intentional and I won't change it. - 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/