rcu: Remove unused rdp local from synchronize_rcu_expedited()

Because rdp is initialized but never used in synchronize_rcu_expedited(),
this commit removes it.

Signed-off-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Jiang Biao 2019-04-23 09:21:55 +08:00 • committed by Paul E. McKenney
commit f0b6356273