tag	line	file	source code
frsig	502	drivers/char/tty_io.c	vt_cons[new_console]->vt_mode.frsig = 0;
frsig	695	drivers/char/vt.c	vt_cons[console]->vt_mode.frsig = 0;
frsig	712	drivers/char/vt.c	put_user(vt_cons[console]->vt_mode.frsig, &vtmode->frsig);
frsig	13	include/linux/vt.h	short frsig;    /* unused (set to 0) */