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From: Pavel Machek <pavel@ucw.cz>
To: Jared Hulbert <jaredeh@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org
Subject: Re: [RFC] Advanced XIP File System
Date: Wed, 3 May 2006 19:14:22 +0000	[thread overview]
Message-ID: <20060503191422.GC4404@ucw.cz> (raw)
In-Reply-To: <6934efce0605021859u55131e63xd8dab3d4396d7f56@mail.gmail.com>

Hi!

> Also ext2 doesn't do compression, and it doesn't let me 
> pick out
> specific pages in files to XIP or compress.

Patches for compressed ext2 exist; and it has many other nice uses,
too...

> >why? by how much?
> 
> Data packing:
> 1) When mkcramfs is writing files to the image it mixes 
> compress and
> XIP files.  XIP files are page aligned.  Compressed 
> files are not.  I
> think it was about 3.3% wasted I measured on an actual 
> production
> linux phone.

Which one, btw? I guess I need a new phone :-)
-- 
Thanks, Sharp!

  parent reply	other threads:[~2006-05-04  6:57 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-02 21:53 Jared Hulbert
2006-05-03  0:00 ` Arnd Bergmann
2006-05-03  1:59   ` Jared Hulbert
2006-05-03  2:27     ` Josh Boyer
2006-05-03  5:04       ` Jared Hulbert
2006-05-03  8:31         ` David Woodhouse
2006-05-03 19:14     ` Pavel Machek [this message]
2006-05-04 16:32       ` Jared Hulbert
2006-05-03  0:56 ` Josh Boyer
2006-05-03  3:17   ` Nicolas Pitre
2006-05-03 10:41     ` Josh Boyer
2006-05-03 12:11       ` David Woodhouse
2006-05-03 15:45         ` Jared Hulbert
2006-05-03 15:52           ` David Woodhouse
2006-05-03 15:57           ` Nicolas Pitre
2006-05-03 16:01             ` David Woodhouse
2006-05-03 16:10               ` Nicolas Pitre
2006-05-03  5:11   ` Jared Hulbert
2006-05-03 12:50 ` Mark Lord
2006-05-03 15:33   ` Jared Hulbert
2006-05-03 13:05 ` Jörn Engel
2006-05-03 15:31   ` Jared Hulbert
2006-05-03 15:47     ` Jörn Engel
2006-05-03 15:58       ` Jared Hulbert
2006-05-03 17:03         ` Jörn Engel
2006-05-03 18:58           ` Jared Hulbert
2006-05-03 16:38 ` Jan Engelhardt
2006-05-03 18:54   ` Jared Hulbert
2006-05-03 23:17     ` Josh Boyer
2006-05-03 23:48       ` Jared Hulbert
2006-05-04  0:21         ` Josh Boyer
2006-05-03 22:49   ` David Woodhouse

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