Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262398AbUCLTOI (ORCPT ); Fri, 12 Mar 2004 14:14:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262418AbUCLTOH (ORCPT ); Fri, 12 Mar 2004 14:14:07 -0500 Received: from zcars0m9.nortelnetworks.com ([47.129.242.157]:23954 "EHLO zcars0m9.nortelnetworks.com") by vger.kernel.org with ESMTP id S262398AbUCLTLc (ORCPT ); Fri, 12 Mar 2004 14:11:32 -0500 Message-ID: <40520B2E.3010806@nortelnetworks.com> Date: Fri, 12 Mar 2004 14:10:38 -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: 918 Lines: 30 Rik van Riel wrote: > On Fri, 12 Mar 2004, Chris Friesen wrote: > > >>What happens when you have more than PAGE_SIZE processes running? > > > Forked off the same process ? > Without doing an exec ? > On a 32 bit system ? > > You'd probably run out of space to put the VMAs, > mm_structs and pgds long before reaching this point ... I'm just thinking of the "fork 100000 kids to test 32-bit pids" sort of test cases. 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/