RCU: Remove prototype for nonexistent function synchronize_idle()

synchronize_idle() sounds like an interesting function, but we don't
actually have it, so don't prototype it.  Introduced in commit
1bfb5384c96e5a8705209f0a2c06bf74837c3fef, in 2005.

Signed-off-by: Josh Triplett <josh@kernel.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index c6b7485eac7ce1e59c7f01cf71221e6637f524ce..fe17d7d750c2be05f545d51e5254f928d613ccca 100644 (file)
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -281,7 +281,6 @@ extern void FASTCALL(call_rcu(struct rcu_head *head,
 extern void FASTCALL(call_rcu_bh(struct rcu_head *head,
                                void (*func)(struct rcu_head *head)));
 extern void synchronize_rcu(void);
-void synchronize_idle(void);
 extern void rcu_barrier(void);
 
 #endif /* __KERNEL__ */