From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 10 Jan 2001 06:47:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 10 Jan 2001 06:47:02 -0500 Received: from passion.cambridge.redhat.com ([172.16.18.67]:5504 "EHLO passion.cambridge.redhat.com") by vger.kernel.org with ESMTP id ; Wed, 10 Jan 2001 06:46:54 -0500 X-Mailer: exmh version 2.2 06/23/2000 with nmh-1.0.4 From: David Woodhouse X-Accept-Language: en_GB In-Reply-To: In-Reply-To: To: Linus Torvalds Cc: Zlatko Calusic , "Eric W. Biederman" , Rik van Riel , linux-kernel@vger.kernel.org Subject: Re: Subtle MM bug Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 10 Jan 2001 11:46:03 +0000 Message-ID: <18634.979127163@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org torvalds@transmeta.com said: > The no-swap behaviour shoul dactually be pretty much identical, > simply because both 2.2 and 2.4 will do the same thing: just skip > dirty pages in the page tables because they cannot do anything about > them. So the VM code spends a fair amount of time scanning lists of pages which it really can't do anything about? Would it be possible to put such pages on different list, so that the VM code doesn't have to keep skipping them? (forgive me if I'm displaying my utter ignorance of the VM code here) -- dwmw2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/