siphash_1u32
u64 siphash_1u32(const u32 a, const siphash_key_t *key);
return siphash_1u32(le32_to_cpup((const __le32 *)data), key);
EXPORT_SYMBOL(siphash_1u32);
chk(siphash_1u32(0x03020100U, &test_key_siphash),
hashval = (unsigned long)siphash_1u32((u32)ptr, &ptr_key);
hval = siphash_1u32((__force u32)daddr, &fnhe_hash_key);
sfbhash = siphash_1u32(salt, &q->bins[slot].perturbation);