RE: Swap Compression

Perez-Gonzalez, Inaky (inaky.perez-gonzalez@intel.com)
Thu, 8 May 2003 20:21:29 -0700


> From: Jörn Engel [mailto:joern@wohnheim.fh-wedel.de]
>
> On Wed, 7 May 2003 20:17:32 -0700, Perez-Gonzalez, Inaky wrote:
> > This reminds me of some howto I saw somewhere of someway to
> > use the MTD drivers to access the unused video RAM and turn
> > it into swap (maybe with blkmtd?) ... probably it can be done
> > with that too.
>
> Jupp, if you know the physical address range of the RAM, it's a piece
> of cake. Except that the slram option parsing is not user-friendly,
> with me being an examplary user.

It should be ... I need to find some time to dig that howto and
try to do it ...

> For memory above 4GB, things are harder. Basically you'd have to write
> a new mtd driver that copies some of the highmem code. Maybe a day or
> two plus testing.

Ok, right to the stack of 'would be nice to work on' stuff.

The "feeling" thing is going to be groovy to test - I guess some parallel
kernel compiles would do - hmmm ... will think about it.

Thanks,

Iñaky Pérez-González -- Not speaking for Intel -- all opinions are my own
(and my fault)
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