Re: [ECOS] jffs2 ram requirements

[Bob Koninckx <bob dot koninckx at mech dot kuleuven dot ac dot be>]

On Tue, 2003-06-03 at 15:08, Koeller, T. wrote:
> Hi,
> 
> is there a worst-case estimate of the amount of ram required to run JFFS2? I
> guess
> it will need at least one buffer the size of one erase block of the flash
> chip used.


I suppose it also depends on the size of your filesystem.


> Looking at the source code I saw that it uses malloc() and free() in various
> places,
> so I suppose it's not possible to use static RAM buffers set aside for
> exclusive
> use by JFFS2 and get rid of that heap management stuff?


Don't think so. Not sure though ...


> 

Hmmm, I see more people are starting to use jffs2 with eCos. Did any of
you experience the problems I had, as discussed in the thread starting
on

http://sources.redhat.com/ml/ecos-discuss/2003-04/msg00023.html

Or is this just a powerpc thing ?

Bob


> tk
> ----------------------------------------------- 
> Thomas Koeller, Software Development 
> 
> Basler Vision Technologies 
> An der Strusbek 60-62 
> 22926 Ahrensburg 
> Germany 
> 
> Tel +49 (4102) 463-390 
> Fax +49 (4102) 463-46390
> 
> mailto:Thomas.Koeller@baslerweb.com
> http://www.baslerweb.com
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ir. Bob Koninckx
Katholieke Universiteit Leuven       
Division Production Engineering,                   tel.  +32 16 322535
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