zpci_fmb
struct zpci_fmb *fmb;
BUILD_BUG_ON(!is_power_of_2(__alignof__(struct zpci_fmb)) ||
__alignof__(struct zpci_fmb) < sizeof(struct zpci_fmb));
zdev_fmb_cache = kmem_cache_create("PCI_FMB_cache", sizeof(struct zpci_fmb),
__alignof__(struct zpci_fmb), 0, NULL);