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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
commit da848c47bc
4 changed files with 15 additions and 10 deletions
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2
include/linux/rcupdate.h
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@ -56,8 +56,6 @@ struct rcu_head {
};
/* Exported common interfaces */
extern void synchronize_rcu_bh(void);
extern void synchronize_sched(void);
extern void rcu_barrier(void);
extern void rcu_barrier_bh(void);
extern void rcu_barrier_sched(void);