lock_map_acquire 473 include/linux/lockdep.h # define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 2, NULL, _THIS_IP_) lock_map_acquire 475 include/linux/lockdep.h # define lock_map_acquire(l) lock_acquire(l, 0, 0, 0, 1, NULL, _THIS_IP_) lock_map_acquire 479 include/linux/lockdep.h # define lock_map_acquire(l) do { } while (0)