Fault
virtual status_t Fault(struct VMAddressSpace *aspace,
virtual status_t Fault(struct VMAddressSpace* aspace,
status_t Fault(VMAddressSpace* aspace, off_t offset) override;
virtual status_t Fault(struct VMAddressSpace* aspace,
virtual status_t Fault(struct VMAddressSpace* aspace,
status = context.topCache->Fault(addressSpace, context.cacheOffset);