b3021b932a
page table page instead of creating a temporary mapping to it. Set the PG_G bit on the page table entries that implement the KPTmap. Locore initializes the unused portions of the NKPT kernel page table pages that it allocates to zero. So, pmap_bootstrap() needn't zero the page table entries referenced by CMAP1 and CMAP3. Simplify pmap_set_pg(). MFC after: 10 days