How can I allocate big mbufs in a device driver?

[Jack Jansen]

I need help from some kernel guru.

I'm writing a device driver for Irix 3.3 (on a personal Iris) and
I have to allocate an mbuf with a cluster. However, neither MCLALLOC
nor MCLGET are available, and there is a comment in mbuf.h that you
should use m_vget() in stead. (Unfortunately the device driver guide
doesn't handle berkeleyisms at all).

Would anyone out there know the arguments to m_vget()?

Thanks,
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