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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v2] tcp: splice as many packets as possible at once
Date: Tue, 03 Feb 2009 16:47:34 -0800 (PST)
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From: Willy Tarreau <w@1wt.eu>
Date: Tue, 3 Feb 2009 13:25:35 +0100

> Well, FWIW, I've always observed better performance with 4k MTU (4080 to
> be precise) than with 9K, and I think that the overhead of allocating 3
> contiguous pages is a major reason for this.

With what hardware?  If it's with myri10ge, that driver uses page
frags so would not be using 3 contiguous pages even for jumbo frames.