diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index a1a9157..92213a9 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -99,4 +99,7 @@
 extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
 				    struct file **filp);
 
+extern int usermodehelper_disable(void);
+extern void usermodehelper_enable(void);
+
 #endif /* __LINUX_KMOD_H__ */