[My first post here, hopefully not a FAQ, as I've googled it, but cannot find
the definitive answer.]

I've been trying to add a sysctl, and I've noticed this message:

sysctl table check failed: /net/ipv4/tcp_cookie_size .3.5.126 Unknown sysctl binary path

I modeled the code on sysctl_tcp_syncookies, and apparently I'm missing some
additional magic?  Or does something need to be done other than C?