OWNER_NULL        703 kernel/locking/rwsem.c #define OWNER_SPINNABLE		(OWNER_NULL | OWNER_WRITER | OWNER_READER)
OWNER_NULL        714 kernel/locking/rwsem.c 	return owner ? OWNER_WRITER : OWNER_NULL;
OWNER_NULL        791 kernel/locking/rwsem.c 	int prev_owner_state = OWNER_NULL;
OWNER_NULL       1230 kernel/locking/rwsem.c 		    rwsem_spin_on_owner(sem, RWSEM_NONSPINNABLE) == OWNER_NULL)