Index: generic/include/syscall/syscall.h
===================================================================
--- generic/include/syscall/syscall.h	(revision 5f62ef99a9c5aa3020510303c82ab8fcbfa0b83b)
+++ generic/include/syscall/syscall.h	(revision 286e03db2e32133734e2e925985747e123632eca)
@@ -38,4 +38,5 @@
 	SYS_IPC_CALL_ASYNC_FAST,
 	SYS_IPC_CALL_ASYNC,
+	SYS_IPC_ANSWER_FAST,
 	SYS_IPC_ANSWER,
 	SYS_IPC_WAIT,