lockdep_rht_bucket_is_held
int lockdep_rht_bucket_is_held(const struct bucket_table *tbl, u32 hash);
rcu_dereference_protected(p, lockdep_rht_bucket_is_held(tbl, hash))
rcu_dereference_all_check(p, lockdep_rht_bucket_is_held(tbl, hash))
EXPORT_SYMBOL_GPL(lockdep_rht_bucket_is_held);