Nathan Whitehorn f4a943617a Fix another bug involving /dev/mem and the OEA64 scratchpage. When
the scratchpage is updated, the PVO's physical address is updated as well.
This makes pmap_extract() begin returning non-zero values again, causing
the panic partially fixed in r204297. Fix this by excluding addresses
beyond virtual_end from consideration as KVA addresses, instead of allowing
addresses up to VM_MAX_KERNEL_ADDRESS.
2010-02-25 14:51:06 +00:00
..
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