Alan Cox f9a4e9e4a9 Tweak the promotion test in pmap_promote_pde(). Specifically, test PG_A
before PG_M.  This sometimes prevents unnecessary removal of write access
from a PTE.  Overall, the net result is fewer demotions and promotion
failures.
2008-06-13 19:33:56 +00:00
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2008-06-11 22:10:10 +00:00
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