For efficiency eliminate the call to pmap_pte() from pmap_protect()'s and pmap_remove()'s inner loop.  Instead, call pmap_pde_to_pte(), a new function, prior to the inner loop.
For efficiency eliminate the call to pmap_pte() from pmap_protect()'s and
pmap_remove()'s inner loop.  Instead, call pmap_pde_to_pte(), a new
function, prior to the inner loop.

Reviewed by: peter@, tegge@

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase