K 10 svn:author V 3 kib K 8 svn:date V 27 2017-01-22T19:41:42.267933Z K 7 svn:log V 214 Add comments explaining unobvious td_critnest adjustments in critical_exit(). Based on the discussion with: jhb Reviewed by: imp Sponsored by: The FreeBSD Foundation Differential revision: D9276 MFC after: 1 week END