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Commits on Dec 6, 2019

• Fix fault_type handling in vm_map_lookup().

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Commits on Dec 4, 2019

• Fix an off-by-one error in vm_map_pmap_enter().

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• Fix the signature for zone_import and zone_release

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Commits on Dec 2, 2019

• Use a precise bit count for the slab free items in UMA. This significantly

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• Fix a few places that free a page from an object without busy held. This is

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Commits on Dec 1, 2019

• Store the bottom of the shadow chain in OBJ_ANON object->handle member.

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Commits on Nov 29, 2019

• Restore swap space accounting for non-anonymous swap objects. This was

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• Avoid acquiring the object lock if color is already set. It can not be

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• Fix a perf regression from r355122. We can use a shared lock to drop the

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• Handle large mallocs by going directly to kmem. Taking a detour through

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• Functions that call vm_map_splay_merge sometimes set data fields

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Commits on Nov 28, 2019

• Garbage collect the mostly unused us_keg field. Use appropriately named

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• uma: move sysctl vm.uma defn out from under INVARIANTS

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• Implement a sysctl tree for uma zones to assist in debugging and provide

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Commits on Nov 27, 2019

• Refactor uma_zfree_arg into several functions to make control flow more

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• Inline some splay helper functions to improve performance on a

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• uma: trash memory when ctor/dtor supplied too

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• Use atomics in more cases for object references. We now can completely

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Commits on Nov 26, 2019

• Refactor uma_zalloc_arg(). It is a mess of gotos and code which doesn't

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Commits on Nov 25, 2019

• vm_object_collapse_scan_wait: drop locks before reacquiring

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• Move anonymous object copying for fork into its own routine and so that we

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• Where 'current' is used to index over vm_map entries, use

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Commits on Nov 24, 2019

• Ignore object->handle for OBJ_ANON objects.

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• Record part of the owner struct thread pointer into busy_lock.

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Commits on Nov 22, 2019

• Simplify vm_pageout_init_domain() and add a "big picture" comment.

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• Reclaim memory from UMA if the page daemon is struggling.

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• Update the checks in vm_page_zone_import().

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• Revise the page cache size policy.

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• Fix locking in vm_reserv_reclaim_contig().

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Commits on Nov 20, 2019

• As with r354905 use uint16_t to store aflags on the stack and as function

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• Use atomic_load_16 to load aflags as it's a uint16_t after r354820.

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• Instead of looking up a predecessor or successor to the current map

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• When we set OFFPAGE to limit fragmentation we should also set VTOSLAB

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• Only keep anonymous objects on shadow lists. This eliminates locking of

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Commits on Nov 19, 2019

• Remove unnecessary object locking from the vnode pager. Recent changes to

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