From: Eric Dumazet
> Sent: 20 September 2016 14:29
> > [   47.565420] -2117905507 + -695755206 cannot be represented in type 'int'
> I do not think we have to worry here.
> These is best effort, and unfortunately atomic_t are int.

Not until we compile on a cpu where int arithmetic doesn't wrap.

While I expect that various other parts of the kernel (and userspace)
wouldn't like such cpu, they do exist.


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