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ok miod@
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the holes a MMU may have from a given vm_map. This will be automagically
invoked for newly created vmspaces.
On platforms with MMU holes (e.g. sun4, sun4c and vax), this prevents
mmap(2) hints which would end up being in the hole to be accepted as valid,
causing unexpected signals when the process tries to access the hole
(since pmap can not fill the hole anyway).
Unfortunately, the logic mmap() uses to pick a valid address for anonymous
mappings needs work, as it will only try to find an address higher than the
hint, which causes all mmap() with a hint in the hole to fail on vax. This
will be improved later.
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to support hotplug media on most architectures. disklabel setup and
verification done using new helper functions. Disklabels must *always*
have a correct checksum now. Same code paths are used to learn on-disk
location disklabels, to avoid new errors sneaking in. Tested on almost all
cases, testing help from todd, kettenis, krw, otto, dlg, robert, gwk, drahn
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mbuf constants from MD param.h to MI param.h.
Besides being the same on every arch, things will
most probly break if any arch has different values
then the others.
The NMBCLUSTERS constants needs to be MD though;
ok miod@,krw@,claudio@
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unconditionnaly.
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rt and such; tested and ok miod drahn
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right now that are supposed to be atomic with respect to interrupts and
SMP: atomic_setbits_int and atomic_clearbits_int.
All architectures other than i386 and amd64 get dummy implementations
since at first we'll be replacing operations that are done with
"a |= bit" and "a &= ~bit" today. More proper implementations will follow
kettenis@, miod@ ok
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in the six cases using "512".
As DEV_BSHIFT is always 9, this should be a no-op.
"no objections" miod@ "I can't see any problem doing this." pedro@
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and there is only one call to uvm_page_physload().
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unsigned.
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found by drahn@
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rename the types using the __ protected namespace (e.g. __size_t).
Idea from FreeBSD.
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cruft for old compilers and environments. there may be a 2nd round of
polishing after this; ok miod and others
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arches; except on sparc where the range is 4-8 for !sun4m and 4-64 for sun4m,
selected at runtime.
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(S3000, S4000 and S4000DX).
Currently limited to diskless and serial console, and userland has issues.
Things will get better in the near future.
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