[tip: core/rcu] rcu: Fix typos in file-header comments

[tip-bot2 for SeongJae Park]

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

Commit-ID:     65bb0dc437c3e57a6cde2b81170c8af4b9c90735
Gitweb:        https://git.kernel.org/tip/65bb0dc437c3e57a6cde2b81170c8af4b9c90735
Author:        SeongJae Park <sjpark@xxxxxxxxx>
AuthorDate:    Mon, 06 Jan 2020 21:08:02 +01:00
Committer:     Paul E. McKenney <paulmck@xxxxxxxxxx>
CommitterDate: Thu, 20 Feb 2020 15:58:22 -08:00

rcu: Fix typos in file-header comments

Convert to plural and add a note that this is for Tree RCU.

Signed-off-by: SeongJae Park <sjpark@xxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
 kernel/rcu/srcutree.c | 2 +-
 kernel/rcu/tree.c     | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index 657e6a7..7ddb29c 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -5,7 +5,7 @@
  * Copyright (C) IBM Corporation, 2006
  * Copyright (C) Fujitsu, 2012
  *
- * Author: Paul McKenney <paulmck@xxxxxxxxxxxxx>
+ * Authors: Paul McKenney <paulmck@xxxxxxxxxxxxx>
  *	   Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
  *
  * For detailed explanation of Read-Copy Update mechanism see -
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 53946b1..a70f56b 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1,12 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Read-Copy Update mechanism for mutual exclusion
+ * Read-Copy Update mechanism for mutual exclusion (tree-based version)
  *
  * Copyright IBM Corporation, 2008
  *
  * Authors: Dipankar Sarma <dipankar@xxxxxxxxxx>
  *	    Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
- *	    Paul E. McKenney <paulmck@xxxxxxxxxxxxx> Hierarchical version
+ *	    Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
  *
  * Based on the original work by Paul McKenney <paulmck@xxxxxxxxxxxxx>
  * and inputs from Rusty Russell, Andrea Arcangeli and Andi Kleen.