MUTEX
__ww_mutex_die(struct MUTEX *lock, struct MUTEX_WAITER *waiter,
static bool __ww_mutex_wound(struct MUTEX *lock,
__ww_mutex_check_waiters(struct MUTEX *lock, struct ww_acquire_ctx *ww_ctx,
__ww_mutex_kill(struct MUTEX *lock, struct ww_acquire_ctx *ww_ctx)
__ww_mutex_check_kill(struct MUTEX *lock, struct MUTEX_WAITER *waiter,
struct MUTEX *lock,