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 Message-ID: <21225.20047.947384.390241@khavrinen.csail.mit.edu>
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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
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