collectd/collectd — pull request #268 by williambr (2013-03-06 13:02:10+00:00)
Title: - Add support for FreeBSD to the zfs_arc module

The work is based in Brad Davis work with some bugfixes and support
for clang compiler

His pull request is https://github.com/collectd/collectd/pull/200, but did not work for me.