scr_end          4723 drivers/tty/vt/vt.c 	ptrdiff_t scr_end = (void *)c->vc_scr_end - base;
scr_end          4736 drivers/tty/vt/vt.c 	if (rolled_over > scr_end + margin) {
scr_end          4737 drivers/tty/vt/vt.c 		from = scr_end;