Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261878AbVC3MX2 (ORCPT ); Wed, 30 Mar 2005 07:23:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261881AbVC3MX1 (ORCPT ); Wed, 30 Mar 2005 07:23:27 -0500 Received: from bay-bridge.veritas.com ([143.127.3.10]:49340 "EHLO MTVMIME01.enterprise.veritas.com") by vger.kernel.org with ESMTP id S261878AbVC3MXN (ORCPT ); Wed, 30 Mar 2005 07:23:13 -0500 Date: Wed, 30 Mar 2005 13:22:53 +0100 (BST) From: Hugh Dickins X-X-Sender: hugh@goblin.wat.veritas.com To: David Howells cc: "David S. Miller" , Ian Molton , nickpiggin@yahoo.com.au, akpm@osdl.org, tony.luck@intel.com, benh@kernel.crashing.org, ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/6] freepgt: free_pgtables use vma list In-Reply-To: <22627.1112179577@redhat.com> Message-ID: References: <4243A257.8070805@yahoo.com.au> <20050325092312.4ae2bd32.davem@davemloft.net> <20050325162926.6d28448b.davem@davemloft.net> <22627.1112179577@redhat.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: 1071 Lines: 31 On Wed, 30 Mar 2005, David Howells wrote: > Hugh Dickins wrote: > > On Fri, 25 Mar 2005, David S. Miller wrote: > > > > [ of flush_tlb_pgtables ] > > > > Let's make it so that the flush can be queued up > > > at pmd_clear() time, as that's what we really want. > > > > > > Something like: > > > > > > pmd_clear(mm, vaddr, pmdp); > > > > > > I'll try to play with something like this later. > > > > Depends really on what DavidH wants there, not clear to me. > > I suspect Ian can live without his printk! > > I could do the zapping in pmd_clear() instead, I suppose. It's just that it > only needs to be done once when tearing down the page tables; not for every > PMD. Sounds like we should leave flush_tlb_pgtables as it is (apart from the issue in its frv implementation that you noticed). Hugh - 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/