per-device sysctls

[M. Warner Losh]

In message: <xzp7jy9lmnf.fsf at dwp.des.no>
            des at des.no (Dag-Erling Smørgrav) writes:
:  2) it gives drivers a well-defined place to put their per-device
:     sysctl variables - devinfo doesn't address that issue at all

I guess if you are going to reinvent devinfo, some mechanism to
replace it should be included.  It just looked like a 95% duplication
of devinfo when I first saw things.

Warner