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- make sure that vsunlock doesn't unwire mlocked memory.
- fix locking in uvm_useracc.
- Return the error uvm_fault_wire in uvm_vslock (will be used soon).
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with a 'make build'. From NetBSD. art@ ok
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- Introduce a new type of map that are interrupt safe and never allow faults
in them. mb_map and kmem_map are made intrsafe.
- Add "access protection" to uvm_vslock (to be passed down to uvm_fault and
later to pmap_enter).
- madvise(2) now works.
- various cleanups.
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Mostly cleanups, but also a few improvements to pagedaemon for better
handling of low memory and/or low swap conditions.
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