From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gao feng <gaofeng@cn.fujitsu.com>
Subject: Re: [PATCH 02/10] netfilter: nf_log: prepar net namespace support
 for nf_log
Date: Wed, 06 Nov 2013 10:00:04 +0800
Message-ID: <5279A2A4.9060405@cn.fujitsu.com>
References: <1360223390-15589-1-git-send-email-gaofeng@cn.fujitsu.com> <1360223390-15589-2-git-send-email-gaofeng@cn.fujitsu.com> <20131105141455.GB22912@ghostprotocols.net>
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Cc: netfilter-devel@vger.kernel.org,
	containers@lists.linux-foundation.org, pablo@netfilter.org,
	ebiederm@xmission.com, netdev@vger.kernel.org, lve@guap.ru
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Return-path: <netfilter-devel-owner@vger.kernel.org>
In-Reply-To: <20131105141455.GB22912@ghostprotocols.net>
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On 11/05/2013 10:14 PM, Arnaldo Carvalho de Melo wrote:
> Em Thu, Feb 07, 2013 at 03:49:42PM +0800, Gao feng escreveu:
>> index 9e31269..b1e5126 100644
>> +++ b/net/netfilter/nf_log.c
>> @@ -16,7 +16,6 @@
>>  #define NF_LOG_PREFIXLEN		128
>>  #define NFLOGGER_NAME_LEN		64
>>  
>> -static const struct nf_logger __rcu *nf_loggers[NFPROTO_NUMPROTO] __read_mostly;
> 
> This was initialized to zeros, but then got moved to struct netns_nf,
> I'm trying to figure it out if it is being zeroed somewhere, ideas?
> 

The init_net is defined as global, so the nf_loggers of init_net is initialized to zero,
and for un init_net, we use kmem_cache_zalloc to allocate net struct, so it is initialized to zero too.