From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934839AbZDCPSj (ORCPT ); Fri, 3 Apr 2009 11:18:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932864AbZDCPSP (ORCPT ); Fri, 3 Apr 2009 11:18:15 -0400 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:59958 "EHLO caffeine.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933556AbZDCPSN (ORCPT ); Fri, 3 Apr 2009 11:18:13 -0400 Date: Fri, 3 Apr 2009 11:18:12 -0400 To: Mark Lord Cc: Linus Torvalds , Andrew Morton , David Rees , Janne Grunau , Theodore Tso , Jesper Krogh , Linux Kernel Mailing List Subject: Re: Linux 2.6.29 Message-ID: <20090403151812.GK3795@csclub.uwaterloo.ca> References: <20090326174704.cd36bf7b.akpm@linux-foundation.org> <20090326182519.d576d703.akpm@linux-foundation.org> <20090401210337.GB3797@csclub.uwaterloo.ca> <20090402110532.GA5132@aniel> <72dbd3150904020929w46c6dc0bs4028c49dd8fa8c56@mail.gmail.com> <20090402094247.9d7ac19f.akpm@linux-foundation.org> <49D627DF.6090501@rtr.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49D627DF.6090501@rtr.ca> User-Agent: Mutt/1.5.18 (2008-05-17) From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 03, 2009 at 11:14:39AM -0400, Mark Lord wrote: > Note that for mythtv, this may not be the best behaviour. > > A common use scenario is "watching live TV", a few minutes behind > real-time so that the commercial-skipping can work its magic. Well I really never watch live TV. I watch shows when I want to, not when they happen to be on the air. So I certainly couldn't care less if they were no longer cached. > In that scenario, those pages are going to be needed again > within a short while, and it might be useful to keep them around. Within 1 minute might be a lot of data for an MPEG2 stream. > But then Myth itself could probably decide whether to discard them > or not, not based upon that kind of knowledge. -- Len Sorensen