K 10 svn:author V 5 dyson K 8 svn:date V 27 1996-06-01T19:19:21.000000Z K 7 svn:log V 240 Fix the problem with pmap_copy that breaks X in small memory machines. Also close some windows that are opened up by page table allocations. The prefaulting code no longer uses hold counts, but now uses the busy flag for synchronization. END