> +static void pci_flb_unpreserve(struct liveupdate_flb_op_args *args)
> +{
> + struct pci_ser *ser = args->obj;
> + struct folio *folio = virt_to_folio(ser);
> +
> + WARN_ON_ONCE(ser->nr_devices);
> + kho_unpreserve_folio(folio);
> + folio_put(folio);Here, and in other places in this series, I would use: https://lore.kernel.org/all/[email protected] kho_alloc_preserve(size_t size) kho_unpreserve_free(void *mem) kho_restore_free(void *mem) Pasha
