Messages in this thread | | | Date | Sun, 15 Oct 2000 20:14:25 +0100 | From | Kenn Humborg <> | Subject | Re: 2.4 MM overview? |
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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.
Later, Kenn
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