rt_mutex_cmpxchg   82 kernel/rtmutex.c # define rt_mutex_cmpxchg(l,c,n)	(cmpxchg(&l->owner, c, n) == c)
rt_mutex_cmpxchg   92 kernel/rtmutex.c # define rt_mutex_cmpxchg(l,c,n)	(0)