[tip: core/rcu] docs: rcu: Increase toctree to 3

[tip-bot2 for Joel Fernandes (Google)]

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     76e771d188060d47f98e5634aee6333ab11673a4
Gitweb:        https://git.kernel.org/tip/76e771d188060d47f98e5634aee6333ab11673a4
Author:        Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
AuthorDate:    Thu, 01 Aug 2019 17:39:20 -04:00
Committer:     Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Tue, 29 Oct 2019 02:48:13 -07:00

docs: rcu: Increase toctree to 3

These documents are long and have various sections. Provide a good
toc nesting level.

Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 Documentation/RCU/index.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/RCU/index.rst b/Documentation/RCU/index.rst
index 94427dc..5c99185 100644
--- a/Documentation/RCU/index.rst
+++ b/Documentation/RCU/index.rst
@@ -5,7 +5,7 @@ RCU concepts
 ============
 
 .. toctree::
-   :maxdepth: 1
+   :maxdepth: 3
 
    rcu
    listRCU