lockdep_rht_mutex_is_held
int lockdep_rht_mutex_is_held(struct rhashtable *ht);
rcu_dereference_protected(p, lockdep_rht_mutex_is_held(ht))
rcu_dereference_all_check(p, lockdep_rht_mutex_is_held(ht))
#define ASSERT_RHT_MUTEX(HT) BUG_ON(!lockdep_rht_mutex_is_held(HT))
EXPORT_SYMBOL_GPL(lockdep_rht_mutex_is_held);