Symbol: ECHO_BLOCK
drivers/tty/n_tty.c
746
if (nr < ECHO_COMMIT_WATERMARK || (nr % ECHO_BLOCK > old % ECHO_BLOCK))
drivers/tty/n_tty.c
82
#define ECHO_DISCARD_WATERMARK N_TTY_BUF_SIZE - (ECHO_BLOCK + 32)