__down_read_trylock  122 include/asm-x86/rwsem.h static inline int __down_read_trylock(struct rw_semaphore *sem)
__down_read_trylock   66 include/asm-xtensa/rwsem.h static inline int __down_read_trylock(struct rw_semaphore *sem)
__down_read_trylock  171 lib/rwsem-spinlock.c int __down_read_trylock(struct rw_semaphore *sem)