K 10 svn:author V 5 markj K 8 svn:date V 27 2018-10-30T22:40:40.836430Z K 7 svn:log V 198 Revert r336984. It appears to be responsible for random segfaults observed when lots of paging activity is taking place, but the root cause is not yet understood. Requested by: alc MFC after: now END