From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 3/4] ipv4: use SNMP macro assuming softirq context in
 ip_forward().
Date: Wed, 22 Jan 2014 17:52:50 -0800 (PST)
Message-ID: <20140122.175250.1038289738103391750.davem@davemloft.net>
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From: Sergey Popovich <popovich_sergei@mail.ru>
Date: Tue, 21 Jan 2014 13:48:50 +0200

> ip_forward() runs entirely in softirq context, we could use
> version of SNMP macro which updates stats counters assuming that.
> 
> Signed-off-by: Sergey Popovich <popovich_sergei@mail.ru>

This is not a bug fix, it's an optimization.