rcu: Remove old memory barriers from rcu_process_callbacks()

Second step of partitioning of commit e59fb3120b.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2011-05-16 02:44:06 -07:00
commit 1135633bdd