uvm_km_pgremove_intrsafe
uvm_km_pgremove_intrsafe(map, addr, addr + size);
uvm_km_pgremove_intrsafe(kernel_map, va,
uvm_km_pgremove_intrsafe(kernel_map, addr, addr + size);
void uvm_km_pgremove_intrsafe(struct vm_map *, vaddr_t, vaddr_t);
uvm_km_pgremove_intrsafe(map, entry->start, entry->end);