Unused: tty_struct.max_flip_cnt
$ git grep max_flip_cnt
include/linux/tty.h:    int max_flip_cnt;
$
Cc: Paul Fulghum <paulkf@microgate.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
        struct tty_struct *link;
        struct fasync_struct *fasync;
        struct tty_bufhead buf;
-       int max_flip_cnt;
        int alt_speed;          /* For magic substitution of 38400 bps */
        wait_queue_head_t write_wait;
        wait_queue_head_t read_wait;