cmsg_ptr         2516 net/socket.c   	unsigned long cmsg_ptr;
cmsg_ptr         2521 net/socket.c   	cmsg_ptr = (unsigned long)msg_sys->msg_control;
cmsg_ptr         2546 net/socket.c   		err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,
cmsg_ptr         2549 net/socket.c   		err = __put_user((unsigned long)msg_sys->msg_control - cmsg_ptr,