Subject: Re: compartmentalization of kernel memory
To: None <>
From: Steve Woodford <>
List: tech-kern
Date: 04/08/2003 20:47:34
On Sun, 6 Apr 2003, Richard Earnshaw wrote:

> > Could the 16 protection bits (forgotten what they are called) be used??
> No, don't try to use the domains system.

Could you elaborate a little on this statement?

I have it on good authority (;-) that there is a NetBSD/arm32 pmap out
there which makes full use of mmu domains to permit L1 page tables to
be shared between multiple processes...

Cheers, Steve