Re: UVM and the NULL page

[Eduardo Horvath <eeh%NetBSD.org@localhost>]

On Mon, 1 Aug 2016, Joerg Sonnenberger wrote:

> On Mon, Aug 01, 2016 at 04:46:34PM +0000, Eduardo Horvath wrote:
> > 
> > I don't understand.  If you can't enter the mapping into the TLB, who 
> > cares what UVM does?
> 
> If UVM tries [0, n] and could have picked [1, n+1] as page numbers as
> well, will it try the latter after the pmap insert failed for the
> former?

Can't think of any codepath where that would happen.  

Edaurdo