tty.h: remove dead define

No longer used. TTY_FLIPBUF_SIZE will also go soon but needs a couple of
other cleanups first

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/tty.h b/include/linux/tty.h
index 60478f6e5dc..274b40ff0cd 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -81,11 +81,6 @@ struct tty_bufhead {
         int memory_used;                /* Buffer space used excluding free queue */
 };
 /*
- * The pty uses char_buf and flag_buf as a contiguous buffer
- */
-#define PTY_BUF_SIZE    4*TTY_FLIPBUF_SIZE
-
-/*
  * When a break, frame error, or parity error happens, these codes are
  * stuffed into the flags buffer.
  */