From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265840AbUGTN3f (ORCPT ); Tue, 20 Jul 2004 09:29:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265872AbUGTN3f (ORCPT ); Tue, 20 Jul 2004 09:29:35 -0400 Received: from holomorphy.com ([207.189.100.168]:24711 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S265840AbUGTN3d (ORCPT ); Tue, 20 Jul 2004 09:29:33 -0400 Date: Tue, 20 Jul 2004 06:29:30 -0700 From: William Lee Irwin III To: Kurt Garloff , linux-kernel@vger.kernel.org, Peter Zaitsev , Andrew Morton , andrea@suse.de Subject: Re: VM Problems in 2.6.7 (Too active OOM Killer) Message-ID: <20040720132930.GB1255@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Kurt Garloff , linux-kernel@vger.kernel.org, Peter Zaitsev , Andrew Morton , andrea@suse.de References: <1089771823.15336.2461.camel@abyss.home> <20040714031701.GT974@dualathlon.random> <1089776640.15336.2557.camel@abyss.home> <20040713211721.05781fb7.akpm@osdl.org> <1089848823.15336.3895.camel@abyss.home> <20040714154427.14234822.akpm@osdl.org> <1089851451.15336.3962.camel@abyss.home> <20040715015431.GF3411@holomorphy.com> <20040718161338.GC12527@tpkurt.garloff.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040718161338.GC12527@tpkurt.garloff.de> User-Agent: Mutt/1.5.6+20040523i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 14, 2004 at 06:54:31PM -0700, William Lee Irwin III wrote: >> The only method the kernel now has to relocate userspace memory is IO. On Sun, Jul 18, 2004 at 06:13:38PM +0200, Kurt Garloff wrote: > But that could be changed. If we can swap out and modify the page > tables (to mark the page paged out) and page in to some other > location (and modify the pagetables again), we can as well just copy > a page and modify the page tables. > Any fundamental reason why that should not be possible? No fundamental reasons, no. Just social ones (holy penguin pee). -- wli