Alan Cox 2d0dc0fcd6 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@
2004-06-12 20:01:48 +00:00
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2004-06-03 21:40:41 +00:00