alc 2008-06-13 19:33:56 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 pmap.c
Log:
SVN rev 179777 on 2008-06-13 19:33:56Z by alc
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.
Revision Changes Path
1.621 +4 -5 src/sys/amd64/amd64/pmap.c
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