s/functin/function/ in copy pasted comment.

Ensure bus_dmatag_subregion is called with an inclusive max_addr
everywhere.

Trailing whitespace

s/invlid/invalid/ in comment.

malloc(9) -> kmem(9)

Fix debug (make it compile)

Add struct pmap_limits and pm_{min,max}addr from uvm/pmap/map.h and use it to
store avail_start, avail_end, virtual_start, and virtual_end.
Remove iospace and let emips just bump pmap_limits.virtual_

Add struct pmap_limits and pm_{min,max}addr from uvm/pmap/map.h and use it to
store avail_start, avail_end, virtual_start, and virtual_end.
Remove iospace and let emips just bump pmap_limits.virtual_start to get the
VA space it needs.
pmap_segtab.c is almost identical to uvm/pmap/pmap_segtab.c now. It won't
be long until we switch to the uvm/pmap one.

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move common/bus_dma/ -> dev/bus_dma/

Cleanu <machine/*> includes

Merge forward from matt-nb5-mips64.
New interrupt code.
mips64 support for DS5000/260.

Merge from matt-nb5-mips64
Merge mips-specific arch files.

Use bus_dmamem_common.

KNF, ANSIfy, and misc cosmetics.

ANSIfy another 1261 function definitions.
The only ones left in sys are beyond by sed script!
(or in sys/dist or sys/external)
Mostly they have function pointer parameters.

Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.

vm_page: put TAILQ_ENTRY into a union with LIST_ENTRY, so we can use both.

Remove clause 3 and 4 from TNF licenses

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

Mising -> Mixing

merge yamt-uio_vmspace branch.

- use vmspace rather than proc or lwp where appropriate.
the latter is more natural to specify an address space.
(and less likely to be abused for random purposes.

merge yamt-uio_vmspace branch.

- use vmspace rather than proc or lwp where appropriate.
the latter is more natural to specify an address space.
(and less likely to be abused for random purposes.)
- fix a swdmover race.

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merge ktrace-lwp.

bus_dmamem_map: honour BUS_DMA_NOWAIT. noted by Manuel Bouyer.
bus_space_map: always do NOWAIT allocation as it used to be before yamt-km.

we have too many copies!

merge yamt-km branch.
- don't use managed mappings/backing objects for wired memory allocations.
save some resources like pv_entry. also fix (most of) PR/27030.
- simplify kernel memory management

merge yamt-km branch.
- don't use managed mappings/backing objects for wired memory allocations.
save some resources like pv_entry. also fix (most of) PR/27030.
- simplify kernel memory management API.
- simplify pmap bootstrap of some ports.
- some related cleanups.

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Add a dm_maxsegsz public member to bus_dmamap_t. This allows a user of the API
to select the maximum segment size for each bus_dmamap_load (up to the maxsegsz
supplied to bus_dmamap_create). dm_max

Add a dm_maxsegsz public member to bus_dmamap_t. This allows a user of the API
to select the maximum segment size for each bus_dmamap_load (up to the maxsegsz
supplied to bus_dmamap_create). dm_maxsegsz is reset to the value supplied to
bus_dmamap_create when the dmamap is unloaded.

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bus_dmamap_load_mbuf(): Skip zero-length mbufs.
kern/24811