__mutex_init
static inline void __mutex_init(struct mutex *lock, const char *name,
static inline void __mutex_init(struct mutex *lock, const char *name,
static inline void __mutex_init(struct mutex *lock, const char *name,
static inline void __mutex_init(struct mutex *lock, const char *name,
static void __mutex_init(struct mutex *mtx, bool pshared, bool recursive)