jffs2 compression question

[Thomas Gleixner]

On Thursday 17 April 2003 21:10, Brian T. wrote:
> Hi,
>
> I have jffs2 running on a 2.4.20 kernel custom Embedded box with 16MB ROM
> (Intel flash) and 32MB RAM.  The file system is about 52% full, and has
> about 22MB of free RAM.  When I copy 4 ~1.6MB programs over to the ROMFS I
> loose about 3MB of space with compression.  The system however also uses
> another ~3MB RAM once the files are done being copied.  My question is,
> when does (if ever) that 3MB RAM get freed up?  If I delete the files I
> just copied, the RAM appears to be freed up.   If I reboot the unit, the
> RAM gets reset back to the original 22MB RAM free.

Have you taken the +/- buffers/cache into account ?

-- 
Thomas
________________________________________________________________________
linutronix - competence in embedded & realtime linux
http://www.linutronix.de
mail: tglx at linutronix.de