linux-kernel - page vs. fs-cache

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Message-Id: <200805101934.48199.marvin24@gmx.de>
Date:	Sat, 10 May 2008 19:34:47 +0200
From:	Marvin <marvin24@....de>
To:	linux-kernel@...r.kernel.org
Cc:	cbe-oss-dev@...abs.org
Subject: page vs. fs-cache

Hi,

what is the status of fs-cache? 

I'm asking, because the PS3 gained access to the video memory as a block 
device recently. I'm using it as a swap device and set swappiness to 100. 

Since the PS3 has only little (main)-memory (< 256MB), it would be more 
effective to use the video memory (~180MB) primary as the file system cache 
and all the main-memory as page cache (swappiness = 0?).

I know that fs-cache is for network-fs caching, but could it be used to cache 
ext3/4 filesystem?

Greetings

Marvin

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