K 10 svn:author V 6 marius K 8 svn:date V 27 2013-06-18T15:14:20.396636Z K 7 svn:log V 172 MFC: r251403 (partial) Flag sym(4) as supporting unmapped I/O; all necessary conversion actually already has been done as part of r246713 (MFC'ed to stable/9 in r251874). END