x86_64: csum_add for x86_64
authorTom Herbert <therbert@google.com>
Fri, 2 May 2014 23:28:15 +0000 (16:28 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 5 May 2014 19:26:29 +0000 (15:26 -0400)
Add csum_add function for x86_64.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/x86/include/asm/checksum_64.h

Simple merge