Greetings,

Commit 469bdcefdc ("ipv6: fix the use of pcpu_tstats in ip6_vti.c") is
found to triggered the following warning

        [   11.962468] NET: Registered protocol family 10
        [   11.968156] mip6: Mobile IPv6
        [   11.968156] mip6: Mobile IPv6
==>     [   11.972776] INFO: trying to register non-static key.

Full dmesg (with call trace) and kconfig attached.

Thanks,
Fengguang