From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Date: Sat, 28 Aug 2004 00:40:38 +0000 Subject: Re: page fault scalability patch final : i386 tested, x86_64 Message-Id: <20040827174038.67b9cbce.davem@davemloft.net> List-Id: References: <20040815165827.0c0c8844.davem@redhat.com> <20040815185644.24ecb247.davem@redhat.com> <20040816143903.GY11200@holomorphy.com> <20040827233602.GB1024@wotan.suse.de> <20040827172337.638275c3.davem@davemloft.net> <20040827173641.5cfb79f6.akpm@osdl.org> In-Reply-To: <20040827173641.5cfb79f6.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andrew Morton Cc: clameter@sgi.com, ak@suse.de, wli@holomorphy.com, davem@redhat.com, raybry@sgi.com, ak@muc.de, benh@kernel.crashing.org, manfred@colorfullife.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, vrajesh@umich.edu, hugh@veritas.com On Fri, 27 Aug 2004 17:36:41 -0700 Andrew Morton wrote: > This reminds me - where's that 4-level pagetable patch got to? I've never seen that. Wow, with that thing we'd _REALLY_ need the clear_page_range() optimizations as 4-levels will be extremely sparse to access on address space teardown. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267869AbUH1Alr (ORCPT ); Fri, 27 Aug 2004 20:41:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267818AbUH1Alr (ORCPT ); Fri, 27 Aug 2004 20:41:47 -0400 Received: from adsl-63-197-226-105.dsl.snfc21.pacbell.net ([63.197.226.105]:48770 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S267869AbUH1AlM (ORCPT ); Fri, 27 Aug 2004 20:41:12 -0400 Date: Fri, 27 Aug 2004 17:40:38 -0700 From: "David S. Miller" To: Andrew Morton Cc: clameter@sgi.com, ak@suse.de, wli@holomorphy.com, davem@redhat.com, raybry@sgi.com, ak@muc.de, benh@kernel.crashing.org, manfred@colorfullife.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, vrajesh@umich.edu, hugh@veritas.com Subject: Re: page fault scalability patch final : i386 tested, x86_64 support added Message-Id: <20040827174038.67b9cbce.davem@davemloft.net> In-Reply-To: <20040827173641.5cfb79f6.akpm@osdl.org> References: <20040815165827.0c0c8844.davem@redhat.com> <20040815185644.24ecb247.davem@redhat.com> <20040816143903.GY11200@holomorphy.com> <20040827233602.GB1024@wotan.suse.de> <20040827172337.638275c3.davem@davemloft.net> <20040827173641.5cfb79f6.akpm@osdl.org> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP 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 On Fri, 27 Aug 2004 17:36:41 -0700 Andrew Morton wrote: > This reminds me - where's that 4-level pagetable patch got to? I've never seen that. Wow, with that thing we'd _REALLY_ need the clear_page_range() optimizations as 4-levels will be extremely sparse to access on address space teardown.