FTRACE_HASH_FL_MOD
new_hash->flags &= ~FTRACE_HASH_FL_MOD;
(*orig_hash)->flags |= FTRACE_HASH_FL_MOD;
iter->hash->flags &= ~FTRACE_HASH_FL_MOD;
iter->hash->flags |= FTRACE_HASH_FL_MOD;
return !hash || !(hash->count || (hash->flags & FTRACE_HASH_FL_MOD));