On Tue, Feb 15, 2005 at 05:00:09PM -0500, Stephan Uphoff wrote:
> Mhhh .. for SMP it could be beneficial just to call pmap_remove for the
> whole range before the pmap_enter calls to cut down on the number of IPI
> calls. (At least for multi page reads on i386)

hmm, on the second thought, the IPI coalescing should be taken care of
by deferring them until pmap_update() (which I was also missing).
the i386 pmap doesn't take advantage of this currently, though.

-Chuck