rcu: Remove obsolete comment from rcu_future_gp_cleanup() header

The rcu_nocb_gp_cleanup() function is now invoked elsewhere, so this
commit drags this comment into the year 2017.

Reported-by: Michalis Kokologiannakis <mixaskok@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 50fee7689e7125787cb3a02ffaa6e9837b1b05d2..bdaa69d23a8ae2f21346c26889ce526d89e70b18 100644 (file)
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1793,9 +1793,7 @@ out:
 
 /*
  * Clean up any old requests for the just-ended grace period.  Also return
- * whether any additional grace periods have been requested.  Also invoke
- * rcu_nocb_gp_cleanup() in order to wake up any no-callbacks kthreads
- * waiting for this grace period to complete.
+ * whether any additional grace periods have been requested.
  */
 static int rcu_future_gp_cleanup(struct rcu_state *rsp, struct rcu_node *rnp)
 {