Re: 2.4 MM overview?

From: Andi Kleen (
Date: Sun Oct 15 2000 - 13:07:06 EST

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.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

This archive was generated by hypermail 2b29 : Sun Oct 15 2000 - 21:00:28 EST