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	}			}

	static void			static void
	swap_pager_update_writecount(vm_object_t object, vm_offset_t start,			swap_pager_update_writecount(vm_object_t object, vm_offset_t start,
	vm_offset_t end)			vm_offset_t end)
	{			{

	VM_OBJECT_WLOCK(object);			VM_OBJECT_WLOCK(object);
	KASSERT((object->flags & OBJ_NOSPLIT) != 0,			KASSERT((object->flags & OBJ_ANON) == 0,
	("Splittable object with writecount"));			("Splittable object with writecount"));
	object->un_pager.swp.writemappings += (vm_ooffset_t)end - start;			object->un_pager.swp.writemappings += (vm_ooffset_t)end - start;
	VM_OBJECT_WUNLOCK(object);			VM_OBJECT_WUNLOCK(object);
	}			}

	static void			static void
	swap_pager_release_writecount(vm_object_t object, vm_offset_t start,			swap_pager_release_writecount(vm_object_t object, vm_offset_t start,
	vm_offset_t end)			vm_offset_t end)
	{			{

	VM_OBJECT_WLOCK(object);			VM_OBJECT_WLOCK(object);
	KASSERT((object->flags & OBJ_NOSPLIT) != 0,			KASSERT((object->flags & OBJ_ANON) == 0,
	("Splittable object with writecount"));			("Splittable object with writecount"));
	object->un_pager.swp.writemappings -= (vm_ooffset_t)end - start;			object->un_pager.swp.writemappings -= (vm_ooffset_t)end - start;
	VM_OBJECT_WUNLOCK(object);			VM_OBJECT_WUNLOCK(object);
	}			}