On Wed, Mar 21, 2001 at 04:14:32PM -0300, Rik van Riel wrote:
> The (maybe too lightweight) structure I have in my patch
> looks like this:
> 
> struct pte_chain {
>       struct pte_chain * next;
>       pte_t * ptep;
> };
> 
> Each pte_chain hangs off a page of physical memory and the
> ptep is a pointer to a page table entry.
> 
> The page struct of the page table page itself is used to
> note down which address space and offset we have. This means
> that FreeBSD's pv_pmap, pv_va and pv_ptem are in the page
> table page and NOT in each pte_chain structure...
How about portability? It maybe efficient, but it is not easy
to port to other platforms.
-- 
[EMAIL PROTECTED]               Branda Open Site (BOS)
[EMAIL PROTECTED]      http://www.branda.to/

To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message

Reply via email to