From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 23 Jan 2002 17:22:30 -0200 (BRST) From: Rik van Riel Subject: Re: [PATCH *] rmap VM, version 12 In-Reply-To: <20020123.110624.93021436.davem@redhat.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: "David S. Miller" Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Wed, 23 Jan 2002, David S. Miller wrote: > Actually, this is just using the pte_free_fast() and > {get,free}_pgd_fast() functions on non-pae machines. > > Rofl, you can't just do that. The page tables cache caches the kernel > mappings and if you don't update them properly on SMP you die. Umm, this list just contains _freed_ page tables without any mappings, right ? If there is some specific magic I'm missing, could you please point me to the code I'm overlooking ? ;) > I am seeing reports of SMP failing with rmap12 but not previous > patches. You need to revert this I think. Actually, the cause for Badari's bugreport is much more stupid. If it wasn't so stupid I bet I'd have found it earlier... regards, Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document http://www.surriel.com/ http://distro.conectiva.com/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/