Add automatically-generated toctree for htmldocs readers using
contents:: directive.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/admin-guide/cgroup-v2.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index fe8ac5aa0f1ec9..4bad0a18c243f3 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -13,6 +13,8 @@ of cgroup including core and specific controller behaviors.  All
 future changes must be reflected in this document.  Documentation for
 v1 is available under :ref:`Documentation/admin-guide/cgroup-v1/index.rst <cgroup-v1>`.
 
+.. contents::
+
 .. CONTENTS
 
    1. Introduction
-- 
An old man doll... just what I always wanted! - Clara