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SubjectRe: 2.4 MM overview?
On Sun, Oct 15, 2000 at 08:07:06PM +0200, Andi Kleen wrote:
> On Sun, Oct 15, 2000 at 05:29:46PM +0100, Kenn Humborg wrote:
> > <Surprise!>
> >
> > __pa() and __va() are still defined as addr -/+ PAGE_OFFSET. So
> > where did I hear about 2.4 not mapping all memory? Could it be
> > that this applies only to "high memory" in x86?
> It only applies to high memory. To access it you have to use kmap().
> To use __pa you need to create a bounce buffer in lowmem first as of 2.4.

Excellent! Thanks for clearing that up.


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