crash when bpf is used heavily

[Sergey Lyubka]

> The problem the original post has, although on the
> surface kind of nasty (easily able to panic from user
> space), can be easily worked around by creating
> less bpf devices (/dev/bpf0, ... create only 4 of
> them) and appropriately resizing KVA. If I recall,
> he had also increased quite dramatically the bpf
> buffer size.
> 
> --don

/dev is devfs-mounted