tag	line	file	source code
SQ_THRESHOLD_HW	721	drivers/char/tty_io.c	if (tty->throttle && (LEFT(&tty->secondary) >= SQ_THRESHOLD_HW)
SQ_THRESHOLD_HW	823	drivers/char/tty_io.c	if (tty->throttle && (LEFT(&tty->secondary) >= SQ_THRESHOLD_HW)