rcu: Export rcu_gp_is_normal()

This commit exports rcu_gp_is_normal() in order to allow it to be used
by rcutorture and rcuperf.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2016-01-01 13:38:12 -08:00
commit 4f2a848c56