On Mon, Sep 11, 2017 at 12:30 AM, Mateusz Guzik <mjgu...@gmail.com> wrote:
[...]
> That said, looking now at the struct I think its use should be retired
> from the kernel. It can remain in headers for userspace use.
>
> First, there is a bunch of counter(9) fields. I don't know the original
> reasoning. I would expect these counters to be statically defined in a
> per-cpu struct.

The actual counter(9) counters are per-CPU.  These are just offsets into
the PCPU area.  See r317061 / D10156 (recent work by glebius).
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