typedef unsigned int afs_lock_tracker_t;
# define MyPidxx (get_user_struct()->u_procp->p_pid )
# define MyPidxx2Pid(x) (x)
-#elif defined(AFS_SUN57_ENV)
+#elif defined(AFS_SUN5_ENV)
typedef kthread_t * afs_lock_tracker_t;
# define MyPidxx (curthread)
# define MyPidxx2Pid(x) (x ? ttoproc(x)->p_pid : 0)