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things such that code that only need a second-resolution uptime or wall
time, and used to get that from time.tv_secs or mono_time.tv_secs now get
this from separate time_t globals time_second and time_uptime.
ok art@ niklas@ nordin@
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break out uvm_km_page bits for this case, no thread here
lots of testing tech@, deraadt@, naddy@, mickey@, ...
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prevents msync/madvise funniness
from art@ ok deraadt@
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change both the nointr and default pool allocators to using uvm_km_getpage.
change pools to default to a maxpages value of 8, so they hoard less memory.
change mbuf pools to use default pool allocator.
pools are now more efficient, use less of kmem_map, and a bit faster.
tested mcbride, deraadt, pedro, drahn, miod to work everywhere
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with a static page size on platforms where it may vary.
ok deraadt@ millert@ tdeval@
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solves problems encountered by david@ and dtucker@ (pr3758)
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tested by jmc, brad, hshoexer
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an interrupt safe thread.
use this as the new backend for mbpool and mclpool, eliminating the mb_map.
introduce a sysctl kern.maxclusters which controls the limit of clusters
allocated.
testing by many people, works everywhere but m68k. ok deraadt@
this essentially deprecates the NMBCLUSTERS option, don't use it.
this should reduce pressure on the kmem_map and the uvm reserve of static
map entries.
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all architectures but arm, where it is needed.
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- rijndael_set_key_enc_only() sets up context for encryption only
- rijndael_set_key() always sets up full context
- rijndaelKeySetupDec() gets back original protoype
- uvm: use _enc_only() interface
with hshoexer@, ok deraadt@
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<zejames@greyhats.org>; tedu@ ok
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others callers do
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ok millert@
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ok millert@ henning@ markus@ drahn@
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we're looking for. change small page_header hash table to a splay tree.
from Chuck Silvers.
tested by brad grange henning mcbride naddy otto
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Tested by mickey@, henning@, ericj@, and beck@.
ok mickey@
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to prevent fragmentation.
this has the effect of randomizing unhinted mmap()s, sysV mem, and
position of ld.so.
tested on many archs by many developers for quite some time.
use of MIN to allow m68k to play from miod@.
vax is not included.
ok deraadt@ miod@
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i386 exec mappings are still random. detected by pvalchev@. ok deraadt@
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scattering ld.so and libraries around, although all mmaps will also
have some jitter too. better version after some discussion with drahn
testing/ok deraadt henning marcm otto pb
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from Patrick Latifi <patrick.l@hermes.usherb.ca>
ok jason@ tedu@
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argument. old cred only calls user suser_ucred. this will allow future
work to more flexibly implement the idea of a root process. looks like
something i saw in freebsd, but a little different.
use of suser_ucred vs suser in file system code should be looked at again,
for the moment semantics remain unchanged.
review and input from art@ testing and further review miod@
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eventually not used anymore. Conforming to art@'s evil plans.
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I've skipped the GNU stuff for now. From Patrick Latifi.
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undefined flags are now rejected instead of silently ignored. makes
"unintentional" mprotect calls a touch harder.
ok art@ deraadt@ jason@
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when set, uvm will not attempt to avoid a heap address, if requested.
from todd vierling, via
http://marc.theaimsgroup.com/?l=netbsd-tech-kern&m=105612525808607&w=1
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source upgrade from a system that used it anyway.
ok art deraadt drahn
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suggested by art@
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ok deraadt@
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rescinded 22 July 1999. Proofed by myself and Theo.
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Close PR 3262
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interleave of exe/shared libs. Raise MAXDSIZ back to 1G.
This change REQUIRES a binary update on i386.
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ok art@
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needs the prot/flags info and passing the addresses via arg/return allows
it to be traced via ktrace better than an in/out paramter.
This adds a new mquery syscall and renames the old one to omquery.
New kernel _MUST_ be built, booted, and 'make includes' before building
ld.so with this change.
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needs the prot/flags info and passing the addresses via arg/return allows
it to be traced via ktrace better than an in/out paramter.
This adds a new mquery syscall and renames the old one to omquery.
New kernel _MUST_ be built and installed before building ld.so with this change.
ok millert@ tedu@
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The first one is an mquery(2) syscall. It's for asking the VM system
about where to map things. It will be used by ld.so, read the man page
for details.
The second change is related and is a centralization of uvm_map hint
that all callers of uvm_map calculated. This will allow us to adjust
this hint on architectures that have segments for non-exec mappings.
deraadt@ drahn@ ok.
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+checked by regress.
millert@, art@ ok.
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pdhist one until ubc gaets back. art@ ok
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ok art@, miod@
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