Messages in this thread |  | | Date | Sun, 15 Oct 2000 20:07:06 +0200 | From | Andi Kleen <> | Subject | Re: 2.4 MM overview? |
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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.
-Andi
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