From: "Stuart MacDonald" <stuartm@connecttech.com>
To: Sriram Narasimhan <nsri@tataelxsi.co.in>, linux-serial@vger.kernel.org
Subject: Re: TTY_FLIPBUF_SIZE
Date: Tue, 17 Dec 2002 11:13:18 -0500 [thread overview]
Message-ID: <013001c2a5e7$366df740$294b82ce@connecttech.com> (raw)
In-Reply-To: 3DFF0DFF.8030505@tataelxsi.co.in
From: "Sriram Narasimhan" <nsri@tataelxsi.co.in>
> The TTY_FLIPBUF_SIZE is restricted to 2 * 512 bytes. Can this be
> increased to support synchronous serial lines without affecting other
> serial drivers which still stick to the TTY_FLIPBUF_SIZE limit ?
No. Check the code. struct tty_struct depends on being less than one
page (4 kb) in size, and making the flip bufs any much bigger will
break that.
..Stu
prev parent reply other threads:[~2002-12-17 16:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-17 11:43 TTY_FLIPBUF_SIZE Sriram Narasimhan
2002-12-17 16:13 ` Stuart MacDonald [this message]
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