[lkml]   [2000]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.4 MM overview?
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

 \ /
  Last update: 2005-03-22 12:45    [W:0.074 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site