Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262993AbUKTHF7 (ORCPT ); Sat, 20 Nov 2004 02:05:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262926AbUKTHFy (ORCPT ); Sat, 20 Nov 2004 02:05:54 -0500 Received: from fw.osdl.org ([65.172.181.6]:3997 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262897AbUKTHEi (ORCPT ); Sat, 20 Nov 2004 02:04:38 -0500 Date: Fri, 19 Nov 2004 23:04:18 -0800 From: Andrew Morton To: nickpiggin@yahoo.com.au, wli@holomorphy.com, torvalds@osdl.org, 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 Message-Id: <20041119230418.6070ab89.akpm@osdl.org> In-Reply-To: <20041119225701.0279f846.akpm@osdl.org> References: <20041120020306.GA2714@holomorphy.com> <419EBBE0.4010303@yahoo.com.au> <20041120035510.GH2714@holomorphy.com> <419EC205.5030604@yahoo.com.au> <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> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 568 Lines: 12 Andrew Morton wrote: > > I'd expect that just shoving a pointer into mm_struct which points at a > dynamically allocated array[NR_CPUS] of longs would suffice. One might even be able to use percpu_counter.h, although that might end up hurting many-cpu fork times, due to all that work in __alloc_percpu(). - 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/