From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 17 Sep 2001 23:58:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 17 Sep 2001 23:58:11 -0400 Received: from penguin.e-mind.com ([195.223.140.120]:28704 "EHLO penguin.e-mind.com") by vger.kernel.org with ESMTP id ; Mon, 17 Sep 2001 23:58:03 -0400 Date: Tue, 18 Sep 2001 05:58:23 +0200 From: Andrea Arcangeli To: Marcelo Tosatti Cc: Linus Torvalds , Kernel Mailing List Subject: Re: Linux 2.4.10-pre11 Message-ID: <20010918055823.S698@athlon.random> In-Reply-To: <20010918053711.P698@athlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from marcelo@conectiva.com.br on Mon, Sep 17, 2001 at 11:25:09PM -0300 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 Mon, Sep 17, 2001 at 11:25:09PM -0300, Marcelo Tosatti wrote: > My point is: we're not going to start aging pte's until we have a > zone shortage, right ? correct, so we don't waste time if there's only filesystem cache pressure during the whole kernel uptime (not an unlikely scenario if you have enough ram like on servers). > I really think this will cause problems in practice, Andrea. yes, this hiding could infact explain the report you posted. I'll try to reproduce with highmem emulation and to fix it as soon as I can reproduce, also if you are interested to hack on it too feel free to send patches of course. thanks. Andrea