diff --git a/Documentation/filesystems/api-summary.rst b/Documentation/filesystems/api-summary.rst
index 2d4e7d00bfed..7e5c04c98619 100644
--- a/Documentation/filesystems/api-summary.rst
+++ b/Documentation/filesystems/api-summary.rst
@@ -101,6 +101,9 @@ Other Functions
 .. kernel-doc:: fs/xattr.c
    :export:
 
+.. kernel-doc:: fs/namespace.c
+   :export:
+
 The proc filesystem
 ===================