> mbufs for disk I/O? You mean something like what OSF1/Digital
> Unix/Tru64 called UMC?  "Yes, please". That can help a *lot* for
> high-performance NFS, or for sendfile().

i don't know about UMC.

after asking google, it sounds like what our sosend_loan() already does.
right?
http://h30097.www3.hp.com/docs/base_doc/DOCUMENTATION/V51B_HTML/MAN/MAN5/0172____.HTM

YAMAMOTO Takashi