rcu: Inline invoke_rcu_callbacks() into its sole remaining caller

This commit saves a few lines of code by inlining invoke_rcu_callbacks()
into its sole remaining caller.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Paul E. McKenney 2019-03-25 08:36:03 -07:00
commit 43e903ad3e