_raw_spin_trylock  221 include/linux/spinlock.h #define raw_spin_trylock(lock)	__cond_lock(lock, _raw_spin_trylock(lock))
_raw_spin_trylock   37 include/linux/spinlock_api_smp.h int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock);
_raw_spin_trylock  137 kernel/locking/spinlock.c EXPORT_SYMBOL(_raw_spin_trylock);