K 10 svn:author V 2 kp K 8 svn:date V 27 2018-10-18T04:36:25.344862Z K 7 svn:log V 407 MFC r334375, r334379: pf: Replace rwlock on PF_RULES_LOCK with rmlock Given that PF_RULES_LOCK is a mostly read lock, replace the rwlock with rmlock. This change improves packet processing rate in high pps environments. Benchmarking by olivier@ shows a 65% improvement in pps. While here, also eliminate all appearances of "sys/rwlock.h" includes since it is not used anymore. Submitted by: farrokhi@ END