uvmspace_init(vm, pmap, min, max)
uvmspace_init(vm, pmap, min, max, pageable)
uvmspace_init(vm, pmap, min, max)	struct vmspace *vm;	struct pmap *pmap;	vaddr_t min, max;{	UVMHIST_FUNC("uvmspace_init"); UVMHIST_CALLED(maphist);	memset(vm, 0, sizeof(*vm));	uvm_map_setup(&vm->vm_map, min, max, VM_MAP_PAGEABLE);	if (pmap)		pmap_reference(pmap);	else		pmap = pmap_create();	vm->vm_map.pmap = pmap;	vm->vm_refcnt = 1;	UVMHIST_LOG(maphist,"<- done",0,0,0,0);}