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rcu: shrink rcutiny by making synchronize_rcu_bh() be inline

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Because synchronize_rcu_bh() is identical to synchronize_sched(),
make the former a static inline invoking the latter, saving the
overhead of an EXPORT_SYMBOL_GPL() and the duplicate code.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2010-03-30 15:46:01 -07:00
parent 32c141a0a1
commit da848c47bc
4 changed files with 15 additions and 10 deletions
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2
include/linux/rcutree.h
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@@ -86,6 +86,8 @@ static inline void __rcu_read_unlock_bh(void)
extern void call_rcu_sched(struct rcu_head *head,
void (*func)(struct rcu_head *rcu));
extern void synchronize_rcu_bh(void);
extern void synchronize_sched(void);
extern void synchronize_rcu_expedited(void);
static inline void synchronize_rcu_bh_expedited(void)