K 10 svn:author V 5 dyson K 8 svn:date V 27 1996-04-09T04:36:58.000000Z K 7 svn:log V 240 Reinstitute the map lock for processes being swapped out. This is needed because of the vm_fault used to bring the page table page for the kernel stack (UPAGES) back in. The consequence of the previous incorrect change was a system hang. END