K 10 svn:author V 5 markj K 8 svn:date V 27 2016-05-18T03:34:02.045408Z K 7 svn:log V 200 Remove the MUTEX_DEBUG kernel option. It has no counterpart among the other lock primitives and has been a no-op for years. Mutex consistency checks are generally done whenver INVARIANTS is enabled. END