rcu: Remove inline from forward-referenced functions

rcu: Remove inline from forward-referenced functions

Some variants of gcc are reputed to dislike forward references
to functions declared "inline".  Remove the "inline" keyword
from such functions.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <12578890422402-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>