K 10 svn:author V 3 kib K 8 svn:date V 27 2012-12-18T04:38:34.756848Z K 7 svn:log V 339 MFC r243835: The vnode_free_list_mtx is required unconditionally when iterating over the active list. MFC r244095: Do not yield while owning a mutex, by stopping acquiring mount interlock. MFC r244240: Use user priority for the yield, do not spin on UP. Restructure the iteration initializer and the iterator to remove code duplication. END