taglinefilesource code
old_vc_mode314kernel/chr_drv/tty_io.cunsigned char old_vc_mode;
old_vc_mode324kernel/chr_drv/tty_io.cold_vc_mode = vt_cons[fg_console].vc_mode;
old_vc_mode368kernel/chr_drv/tty_io.cif (old_vc_mode != vt_cons[new_console].vc_mode)