struct rhash_head __rcu *buckets[] ____cacheline_aligned_in_smp;
};
-#define INIT_RHT_NULLS_HEAD(ptr, ht, hash) \
+#define INIT_RHT_NULLS_HEAD(ptr) \
((ptr) = (typeof(ptr)) NULLS_MARKER(0))
static inline bool rht_is_a_nulls(const struct rhash_head *ptr)