Re: [Gc-linux-devel] Re: Compressed VM

[Michael S. <st...@in...>]

On 16.02.2004, at 13:29, Hans K. Rosbach wrote:
> Anyways..  I think another aproach might be possible..
> The question is: Is the 16mb destined for swap usage using MTD drivers?
> (I guess this it 2x8MB flash cards that you put in the front of the GC,
> right?)

You mean the ARAM? It's just RAM chips; we can write block device 
drivers for it and use it like a hard disk or anything.

> If so, I assume it is MTD capable.
> That means you can format them with the JFFS2 filesystem.
> And then you can put swap-FILES (2.6 supports that i think) on them.
>
> JFFS2 is basically a read+write filesystem optimized for usage on small
> flash chips, and also incorporates compression.

It does?

> You need to enable MTD, then the JFFS2 selection appears under
> "Misc filesystems" in the 2.6 kernel config.
>
> I hope this leads somewhere.. =)

Sounds interesting, but somehow I doubt JFFS2 can properly compress a 
swap file.

Porting compressed swap to 2.6 would be the best for all.

   Michael