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, 15 Aug 2001 10:33:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 15 Aug 2001 10:33:00 -0400 Received: from penguin.e-mind.com ([195.223.140.120]:9236 "EHLO penguin.e-mind.com") by vger.kernel.org with ESMTP id ; Wed, 15 Aug 2001 10:32:44 -0400 Date: Wed, 15 Aug 2001 16:32:56 +0200 From: Andrea Arcangeli To: "David S. Miller" Cc: thockin@sun.com, linux-kernel@vger.kernel.org Subject: Re: RFC: poll change Message-ID: <20010815163256.E7382@athlon.random> In-Reply-To: <20010815021110.F4304@athlon.random> <20010814.171609.75760869.davem@redhat.com> <20010815161318.C7382@athlon.random> <20010815.072419.48797129.davem@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20010815.072419.48797129.davem@redhat.com>; from davem@redhat.com on Wed, Aug 15, 2001 at 07:24:19AM -0700 X-GnuPG-Key-URL: http://e-mind.com/~andrea/aa.gnupg.asc X-PGP-Key-URL: http://e-mind.com/~andrea/aa.asc Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 15, 2001 at 07:24:19AM -0700, David S. Miller wrote: > From: Andrea Arcangeli > Date: Wed, 15 Aug 2001 16:13:18 +0200 > > I was backporting the new version to 2.2 and I noticed that by using > NR_OPEN an luser will actually be able to lock into RAM something of the > order of the dozen mbytes per process. > > He can do this with page tables too :-) Since 2.2 we have the free_pgtables to release the pagetables under unused pgd slots, that was used to work pretty well last time I checked. Andrea