_spin_lock        182 include/linux/spinlock.h #define spin_lock(lock)			_spin_lock(lock)
_spin_lock        192 include/linux/spinlock.h # define spin_lock_nested(lock, subclass) _spin_lock(lock)
_spin_lock        193 include/linux/spinlock.h # define spin_lock_nest_lock(lock, nest_lock) _spin_lock(lock)
_spin_lock         22 include/linux/spinlock_api_smp.h void __lockfunc _spin_lock(spinlock_t *lock)		__acquires(lock);