1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 2ba259b2defa..938ca1942641 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -335,6 +335,9 @@ extern void unregister_ftrace_return(void);
 
 extern void ftrace_retfunc_init_task(struct task_struct *t);
 extern void ftrace_retfunc_exit_task(struct task_struct *t);
+#else
+static inline void ftrace_retfunc_init_task(struct task_struct *t) { }
+static inline void ftrace_retfunc_exit_task(struct task_struct *t) { }
 #endif
 
 #endif /* _LINUX_FTRACE_H */