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-rw-r--r--Documentation/RCU/index.rst2
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diff --git a/Documentation/RCU/index.rst b/Documentation/RCU/index.rst
index 94427dc1f23d..5c99185710fa 100644
--- a/Documentation/RCU/index.rst
+++ b/Documentation/RCU/index.rst
@@ -5,7 +5,7 @@ RCU concepts
============
.. toctree::
- :maxdepth: 1
+ :maxdepth: 3
rcu
listRCU