>Ok, I have renamed it to m_copyup().
>
>I am committing the following diff.  The new code path will not be
>used unless individual device drivers stop doing the alignment fixup
>themselves, so the change is effectively a noop until those device
>drivers are changed.
>
>This change was good for an additional 30Mb/s or so on a DP83820 Gig-E
>interface in a 533MHz Alpha.

	tnx!

	have you tested any of IPv6 extension headers?
	# ping6 target target target	(will add routing header)
	or some IPsec tests should be enough.
	(did you see my change to IP6_EXTHDR_GET while ago?)

itojun