docs: rcu: Increase toctree to 3
authorJoel Fernandes (Google) <joel@joelfernandes.org>
Thu, 1 Aug 2019 21:39:20 +0000 (17:39 -0400)
committerPaul E. McKenney <paulmck@kernel.org>
Tue, 29 Oct 2019 09:48:13 +0000 (02:48 -0700)
commit76e771d188060d47f98e5634aee6333ab11673a4
treefb738354bfb88614a230cdccc9f54b1677c81ffd
parent07335c16a39c213c9ac82213a3cd084f0ade4b50
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@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Documentation/RCU/index.rst