> Module Name:	src
> Committed By:	bouyer
> Date:		Sun Oct  2 21:53:17 UTC 2005
> 
> Modified Files:
> 	src/sys/arch/i386/conf: XEN0
> 
> Log Message:
> Add
> options         MCLSHIFT=12
> in order to avoid a copy when a mbuf cluster has to be sent to a domU
> (which is the common case when the packet comes from a physical network
> interface).

i doubt if it's a reasonable value for this "GENERIC" kernel.
it makes mclsize dominant about socket buffer calculation, doesn't it?

YAMAMOTO Takashi