How FREEBSD deals with request for continuous physical pages

[M. Warner Losh]

In message: <20050603091519.31175.qmail at web31707.mail.mud.yahoo.com>
            Bao Zhao <baozhaolinuxer at yahoo.com> writes:
:   Linux use buddy allocator.but I find it seems that
: FREEBSD uses single page linked list. but SLAB and
: some drivers need continuous physical pages, so I
: wonder how FREEBSD solved this problem.

contigmalloc()

Warner