Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263158AbUKTTRy (ORCPT ); Sat, 20 Nov 2004 14:17:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263157AbUKTTQm (ORCPT ); Sat, 20 Nov 2004 14:16:42 -0500 Received: from fw.osdl.org ([65.172.181.6]:14256 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S263158AbUKTTQW (ORCPT ); Sat, 20 Nov 2004 14:16:22 -0500 Date: Sat, 20 Nov 2004 11:16:12 -0800 (PST) From: Linus Torvalds To: William Lee Irwin III cc: Nick Piggin , Andrew Morton , clameter@sgi.com, benh@kernel.crashing.org, hugh@veritas.com, linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: page fault scalability patch V11 [0/7]: overview In-Reply-To: <20041120190818.GX2714@holomorphy.com> Message-ID: References: <20041120042340.GJ2714@holomorphy.com> <419EC829.4040704@yahoo.com.au> <20041120053802.GL2714@holomorphy.com> <419EDB21.3070707@yahoo.com.au> <20041120062341.GM2714@holomorphy.com> <419EE911.20205@yahoo.com.au> <20041119225701.0279f846.akpm@osdl.org> <419EEE7F.3070509@yahoo.com.au> <1834180000.1100969975@[10.10.2.4]> <20041120190818.GX2714@holomorphy.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 680 Lines: 20 On Sat, 20 Nov 2004, William Lee Irwin III wrote: > > "The perfect is the enemy of the good." Yes. But in this case, my suggestion _is_ the good. You seem to be pushing for a really horrid thing which allocates a per-cpu array for each mm_struct. What is it that you have against the per-thread rss? We already have several places that do the thread-looping, so it's not like "you can't do that" is a valid argument. Linus - 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/