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. David