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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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12
include/linux/rcutiny.h
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@@ -74,7 +74,17 @@ static inline void rcu_sched_force_quiescent_state(void)
{
}
#define synchronize_rcu synchronize_sched
extern void synchronize_sched(void);
static inline void synchronize_rcu(void)
{
synchronize_sched();
}
static inline void synchronize_rcu_bh(void)
{
synchronize_sched();
}
static inline void synchronize_rcu_expedited(void)
{