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!
next prev 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 [RFC] Advanced XIP File System 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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