fix

llumnix/llumlet/llumlet.py

@@ -104,7 +104,7 @@ def migrate_out(self, dst_instance_name: str, num_requests: int) -> List[str]:
             dst_instance_id = dst_instance_name[len("instance_"):]
             migrated_request_list = []
             continue_migrate = True
-            while continue_migrate and len(migrated_request_list) < num_requests:
+            while continue_migrate and (len(migrated_request_list) < num_requests or num_requests == -1):
                 t0 = time.time()
                 migrate_out_request = self.migration_scheduler.get_migrate_out_request()
                 if migrate_out_request is not None: