From a278534406ab13e4ecbca8941eb4c104a5971cd7 Mon Sep 17 00:00:00 2001
From: Tom Herbert <therbert@google.com>
Date: Fri, 2 May 2014 16:28:15 -0700
Subject: [PATCH] x86_64: csum_add for x86_64

Add csum_add function for x86_64.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed