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This has has been tested very very thoroughly on all archs we have
excepting 88k and 68k. Please see cvs log for the individual commit
messages.
ok beck@, thib@
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More backouts in line with previous ones, this appears to bring us back to a
stable condition.
A machine forced to 64mb of ram cycled 10GB through swap with this diff
and is still running as I type this. Other tests by ariane@ and thib@
also seem to show that it's alright.
ok deraadt@, thib@, ariane@
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separately).
a change at or just before the hackathon has either exposed or added a
very very nasty memory corruption bug that is giving us hell right now.
So in the interest of kernel stability these diffs are being backed out
until such a time as that corruption bug has been found and squashed,
then the ones that are proven good may slowly return.
a quick hitlist of the main commits this backs out:
mine:
uvm_objwire
the lock change in uvm_swap.c
using trees for uvm objects instead of the hash
removing the pgo_releasepg callback.
art@'s:
putting pmap_page_protect(VM_PROT_NONE) in uvm_pagedeactivate() since
all callers called that just prior anyway.
ok beck@, ariane@.
prompted by deraadt@.
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pgo_releasepg() hook and just free the page the "normal" way in the one
place we'll ever see PG_RELEASED and should care (uvm_page_unbusy,
called in aiodoned).
ok art@, beck@, thib@
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unused.
ok art@.
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By pseudo-inline, I mean that if a certain macro was defined, they would
be inlined. However, no architecture defines that, and none has for a
very very long time. Therefore mainly this just makes the code a damned
sight easier to read. Some k&r -> ansi declarations while I'm in there.
"just commit it" art@. ok weingart@.
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ok miod@, art@
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rescinded 22 July 1999. Proofed by myself and Theo.
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__P removal.
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machines or some configurations or in some phase of the moon (we actually
don't know when or why) files disappeared. Since we've not been able to
track down the problem in two weeks intense debugging and we need -current
to be stable, back out everything to a state it had before UBC.
We apologise for the inconvenience.
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Contains also support for page coloring.
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This time we're getting rid of KERN_* and VM_PAGER_* error codes and
use errnos instead.
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UBC, but prerequsites for it.
- Create a daemon that processes async I/O (swap and paging in the future)
requests that need processing in process context and that were processed
in the pagedaemon before.
- Convert some ugly ifdef DIAGNOSTIC code to less intrusive KASSERTs.
- misc other cleanups.
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Including support for zeroing pages in the idle loop (not enabled yet).
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into objects.
Gives the possibilty to mmap beyond the size of vaddr_t.
From NetBSD.
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Improve error handling on I/O errors to swap.
From NetBSD
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with a 'make build'. From NetBSD. art@ ok
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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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