diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 0d6ecc60b94d89acea9b6cd58c2ce3b165558599..b489fc6d0b6252f9e75134d8e7ecf5e529c623c5 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -19,7 +19,8 @@ int eventfd_signal(struct file *file, int n);
 #else /* CONFIG_EVENTFD */
 
 #define eventfd_fget(fd) ERR_PTR(-ENOSYS)
-#define eventfd_signal(f, n) 0
+static inline int eventfd_signal(struct file *file, int n)
+{ return 0; }
 
 #endif /* CONFIG_EVENTFD */