linux-kernel - Re: Linux 2.6.29

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Message-ID: <20090403151812.GK3795@csclub.uwaterloo.ca>
Date:	Fri, 3 Apr 2009 11:18:12 -0400
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Mark Lord <lkml@....ca>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rees <drees76@...il.com>, Janne Grunau <j@...nau.net>,
	Theodore Tso <tytso@....edu>, Jesper Krogh <jesper@...gh.cc>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.29

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
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