pmap_change_attr
pmap_change_attr(addr, numpages, PAT_UNCACHED);
pmap_change_attr(vaddr, numpages, PAT_WRITE_COMBINING);
pmap_change_attr(vaddr, numpages, PAT_WRITE_BACK);
pmap_change_attr(PHYS_TO_DMAP(VM_PAGE_TO_PHYS(p)),
pmap_change_attr(PHYS_TO_DMAP(VM_PAGE_TO_PHYS(p)),
pmap_change_attr(imp->paddr, imp->npages, PAT_WRITE_BACK);
pmap_change_attr((vm_offset_t) sc->sram, len / PAGE_SIZE,
pmap_change_attr((vm_offset_t)(*vaddr),
pmap_change_attr(PHYS_TO_DMAP(VM_PAGE_TO_PHYS(m)), 1, m->pat_mode);
void pmap_change_attr(vm_offset_t va, vm_size_t count, int mode);