30 bits DMA and ppc

[Olof Johansson]

On Mon, Oct 31, 2005 at 08:41:54AM +1100, Benjamin Herrenschmidt wrote:
> > Yep, the table is already split once, and I'm not sure in retrospect how
> > useful that split was anyway, it can maybe go away. Switching it around
> > shouldn't be a big issue.
> 
> No real need to split permanently... the search could be restricted to a
> given range easily.

Yeah, that's what it does now too, if it can't find anything in the
"right" part of the table, it'll try the other. So other devices would
use the same section if the "regular" table got full.


-Olof