Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262406AbUCLTDP (ORCPT ); Fri, 12 Mar 2004 14:03:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262412AbUCLTDP (ORCPT ); Fri, 12 Mar 2004 14:03:15 -0500 Received: from zcars04e.nortelnetworks.com ([47.129.242.56]:38811 "EHLO zcars04e.nortelnetworks.com") by vger.kernel.org with ESMTP id S262406AbUCLTDO (ORCPT ); Fri, 12 Mar 2004 14:03:14 -0500 Message-ID: <40520928.4050409@nortelnetworks.com> Date: Fri, 12 Mar 2004 14:02:00 -0500 X-Sybari-Space: 00000000 00000000 00000000 00000000 From: Chris Friesen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040113 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rik van Riel Cc: Linus Torvalds , Andrea Arcangeli , Hugh Dickins , Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org, William Lee Irwin III Subject: Re: anon_vma RFC2 References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1040 Lines: 27 Rik van Riel wrote: > On Fri, 12 Mar 2004, Linus Torvalds wrote: > > >>I think your approach could work (reverse map by having separate address >>spaces for unrelated processes), but I don't see any good "page->index" >>allocation scheme that is implementable. > Note that since we count page->index in PAGE_SIZE unit we > have PAGE_SIZE times as much space as a process can take, > so we definately have enough address space to come up with > a creative allocation scheme. What happens when you have more than PAGE_SIZE processes running? Chris -- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@nortelnetworks.com - 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/