Subject: Re: map user memory in kernel
To: Wolfgang Solfrank <>
From: Emmanuel Dreyfus <>
List: tech-kern
Date: 11/05/2005 15:32:00
On Sat, Nov 05, 2005 at 12:22:45PM +0100, Wolfgang Solfrank wrote:
> So no need to actually map the page into memory.  Just make a more or
> less unique address out of the address given (like e.g. use the physical
> address on machines where physical and virtual address sizes match) and be
> done with it.

But what if the page where the address is gets paged out? I can't 
rely on a physical address in that situation.

Emmanuel Dreyfus