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csum_add is really nothing more then add-with-carry which can be implemented efficiently in some architectures. Allow architecture to define this protected by HAVE_ARCH_CSUM_ADD. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
156 lines
3.9 KiB
156 lines
3.9 KiB