taglinefilesource code
frsig1428drivers/char/console.cvtmode.frsig  = 0;
frsig395drivers/char/tty_io.cvt_cons[new_console].vt_mode.frsig = 0;
frsig480drivers/char/tty_io.cvt_cons[fg_console].vt_mode.frsig = 0;
frsig424drivers/char/vt.cvt_cons[console].vt_mode.frsig = 0;
frsig441drivers/char/vt.cput_fs_word(vt_cons[console].vt_mode.frsig, &vtmode->frsig);
frsig13include/linux/vt.hshort frsig;    /* unused (set to 0) */