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>
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@ -80,11 +80,6 @@ struct tty_bufhead {
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struct tty_buffer *free; /* Free queue head */
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int memory_used; /* Buffer space used excluding free queue */
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};
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/*
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* The pty uses char_buf and flag_buf as a contiguous buffer
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*/
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#define PTY_BUF_SIZE 4*TTY_FLIPBUF_SIZE
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/*
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* When a break, frame error, or parity error happens, these codes are
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* stuffed into the flags buffer.
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