diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index ccb2b3e..ea6e524 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -114,4 +114,8 @@
 	KDB_INIT_EARLY,
 	KDB_INIT_FULL,
 };
+
+extern int kdbgetintenv(const char *, int *);
+extern int kdb_set(int, const char **);
+
 #endif	/* !_KDB_H */