nd_fletcher64
nd_set->cookie1 = nd_fletcher64(info, sizeof(*info) * nr, 0);
nd_set->cookie2 = nd_fletcher64(info2, sizeof(*info2) * nr, 0);
nd_set->altcookie = nd_fletcher64(info, sizeof(*info) * nr, 0);
nd_fletcher64(info, sizeof(*info) * cxlr_pmem->nr_mappings, 0);
sum = nd_fletcher64(nd_gen_sb, sizeof(*nd_gen_sb), 1);
EXPORT_SYMBOL_GPL(nd_fletcher64);
sum = nd_fletcher64(nsindex[i], sizeof_namespace_index(ndd), 1);
sum = nd_fletcher64(nd_label, sizeof_namespace_label(ndd), 1);
sum = nd_fletcher64(nd_label, sizeof_namespace_label(ndd), 1);
checksum = nd_fletcher64(nsindex, sizeof_namespace_index(ndd), 1);
u64 nd_fletcher64(void *addr, size_t len, bool le);