From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gao feng <gaofeng@cn.fujitsu.com>
Subject: Re: [PATCH] net: cgroup: fix access the unallocated memory in netprio
 cgroup
Date: Tue, 10 Jul 2012 16:53:24 +0800
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Cc: nhorman@tuxdriver.com, davem@davemloft.net,
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> Hi Gao
> 
> Is it still needed to call update_netdev_tables() from write_priomap() ?
> 

Yes, I think it's needed,because read_priomap will show all of the net devices,

But we may add the netdev after create a netprio cgroup, so the new added netdev's
priomap will not be allocated. if we don't call update_netdev_tables in write_priomap,
we may access this unallocated memory.