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Date: Wed, 29 Jan 2014 13:54:07 -0500
From: Garrett Wollman <wollman@csail.mit.edu>
To: freebsd-net@freebsd.org
Subject: Big physically contiguous mbuf clusters
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Resolved: that mbuf clusters longer than one page ought not be
supported.  There is too much physical-memory fragmentation for them
to be of use on a moderately active server.  9k mbufs are especially
bad, since in the fragmented case they waste 3k per allocation.

-GAWollman