taglinefilesource code
vt_pid493drivers/char/tty_io.cvt_cons[new_console]->vt_pid = -1;
vt_pid530drivers/char/tty_io.cif (kill_proc(vt_cons[new_console]->vt_pid,
vt_pid598drivers/char/tty_io.cif (kill_proc(vt_cons[fg_console]->vt_pid,
vt_pid646drivers/char/vt.cvt_cons[console]->vt_pid = current->pid;
vt_pid18drivers/char/vt_kern.hint    vt_pid;