Index: kernel/generic/include/ipc/ipc.h
===================================================================
--- kernel/generic/include/ipc/ipc.h	(revision 90efa3b9570ec6f523c45b1a178410890295d3ec)
+++ kernel/generic/include/ipc/ipc.h	(revision ac5c37cde62fcac7beb25a3fb1bc581dd675d399)
@@ -172,4 +172,6 @@
 extern answerbox_t *ipc_box_0;
 
+extern kobject_ops_t call_kobject_ops;
+
 extern void ipc_init(void);