K 10 svn:author V 3 alc K 8 svn:date V 27 2002-03-17T03:19:31.000000Z K 7 svn:log V 225 Acquire a read lock on the map inside of vm_map_check_protection() rather than expecting the caller to do so. This (1) eliminates duplicated code in kernacc() and useracc() and (2) fixes missing synchronization in munmap(). END