kvm_mkdb(8) on OpenBSD
The text 90c7a2c64cf9, as OpenBSD 4.1, OpenBSD 4.0, OpenBSD 3.9, OpenBSD 3.8, OpenBSD 3.7, OpenBSD 3.6, OpenBSD 3.5 shipped it.
create kernel database
Flags it lists
-
-o -
-v