K 10 svn:author V 3 alc K 8 svn:date V 27 2004-06-12T20:01:48.000000Z K 7 svn:log V 226 In a multiprocessor, the PG_W bit in the pte must be changed atomically. Otherwise, the setting of the PG_M bit by one processor could be lost if another processor is simultaneously changing the PG_W bit. Reviewed by: tegge@ END