still_used 122 drivers/tty/tty_buffer.c int still_used; still_used 138 drivers/tty/tty_buffer.c still_used = atomic_xchg(&buf->mem_used, 0); still_used 139 drivers/tty/tty_buffer.c WARN(still_used != freed, "we still have not freed %d bytes!", still_used 140 drivers/tty/tty_buffer.c still_used - freed);