MFC r268660: Make amd64 pmap_copy_pages() functional for pages not mapped by DMAP.
MFC r268660:
Make amd64 pmap_copy_pages() functional for pages not mapped by DMAP.

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