File size limitation on JFFS2.

David Woodhouse dwmw2 at infradead.org
Tue Jul 11 19:01:51 EDT 2006


On Tue, 2006-07-11 at 15:32 -0700, Han Chang wrote:
> I'm trying to put a file of size 1G on the JFFS2/NAND. I got "Out of Memory" 
> error. Looks like the max size of file I can put on it is 500M, though my 
> NAND has 2G space. This is on Linux. I noticed JFFS2 is using filemap in the 
> Linux mm, where it crashed. Any help? 

Yeah, JFFS2 doesn't scale well to that kind of size. Are you using the
2.6.18-rc1 kernel? That has some improvements to its memory usage.

Another thing that'll help with this is going to 16KiB or 32KiB node
sizes instead of limiting them to 4KiB.

-- 
dwmw2





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