| Commit message (Collapse) | Author | Age | Files | Lines |
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by accepting the user supplied flags directly. Previously this was not
done so that flags for the same field would not be defined in two
different files. Add comments in each header instructing future
developers on how now to shoot their feet.
- Fix a test for !OFFPAGE which should have been a test for HASH. This would
have caused a panic if we had ever destructed a malloc zone. This also
opens up the possibility that other zones could use the vsetobj() method
rather than a hash.
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Approved by: trb
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Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
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- Remove redundant instances of my email alias in the file summary.
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- Remove all instances of the mallochash.
- Stash the slab pointer in the vm page's object pointer when allocating from
the kmem_obj.
- Use the overloaded object pointer to find slabs for malloced memory.
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allocator.
- Properly set M_ZERO when talking to the back end page allocators for
non malloc zones. This forces us to zero fill pages when they are first
brought into a cache.
- Properly handle M_ZERO in uma_zalloc_internal. This fixes a problem where
per cpu buckets weren't always getting zeroed.
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allocated slabs and bucket caches for free items. It will not go ask the vm
for pages. This differs from M_NOWAIT in that it not only doesn't block, it
doesn't even ask.
- Add a new zcreate option ZONE_VM, that sets the BUCKETCACHE zflag. This
tells uma that it should only allocate buckets out of the bucket cache, and
not from the VM. It does this by using the M_NOVM option to zalloc when
getting a new bucket. This is so that the VM doesn't recursively enter
itself while trying to allocate buckets for vm_map_entry zones. If there
are already allocated buckets when we get here we'll still use them but
otherwise we'll skip it.
- Use the ZONE_VM flag on vm map entries and pv entries on x86.
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- Changed uma_zcreate to accept the size argument as a size_t intead of
int.
Approved by: jeff
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uma_zalloc and friends. Remove this functionality from the malloc wrapper.
Document this change in uma.h and adjust variable names in uma_core.
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mutex class. Currently this is only used for kmapentzone because kmapents
are are potentially allocated when freeing memory. This is not dangerous
though because no other allocations will be done while holding the
kmapentzone lock.
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didn't like the wait argument and that if you were removing a zone it had
better be empty.
Also, I broke out part of hash_expand and made a seperate hash_free() for use
in uma_zdestroy.
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Submitted by: eric
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malloc(9) and vm_zone with a slab like allocator.
Reviewed by: arch@
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