add: return 0;
context: static void dump_aspace_list(int argc, char **argv){	vm_address_space *as;	struct hash_iterator iter;	dprintf("addr\tid\t%32s\tbase\t\tsize\n", "name");	hash_open(aspace_table, &iter);	while((as = hash_next(aspace_table, &iter)) != NULL) {		dprintf("%p\t0x%x\t%32s\t0x%lx\t\t0x%lx\n",			as, as->id, as->name, as->virtual_map.base, as->virtual_map.size);	}	hash_close(aspace_table, &iter, false);}