K 10 svn:author V 3 kib K 8 svn:date V 27 2013-07-02T04:42:32.488180Z K 7 svn:log V 299 MFC r251960: Since the gem pagefault handler relocks the vm object lock, other thread might fault on the same GTT offset meantime and instantiate the mapping. Recheck that the mgt device object still does not have a page at the current offset after relocking, and return a possibly installed page. END