dyson e3cb859c13 Disable madvise optimizations for device pager objects (some of the
operations don't work with FICTITIOUS pages.)  Also, close a window
between PG_MANAGED and pmap_enter that can mess up the accounting of
the managed flag.  This problem could likely cause a hold_count error
for page table pages.
1996-06-01 20:50:57 +00:00
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