Hi Florian, 2016-06-22 2:46 GMT+08:00 Florian Westphal <fw@xxxxxxxxx>: > @@ -1650,11 +1646,31 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp) > write_seqcount_end(&nf_conntrack_generation); > nf_conntrack_all_unlock(); > local_bh_enable(); > + synchronize_net(); synchronize_net() call here is redundant? > > synchronize_net(); > nf_ct_free_hashtable(old_hash, old_size); > return 0; > } And according to your patch version 1, it seems that you missed to update the Documentation/networking/nf_conntrack-sysctl.txt this time. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html