On Thu, May 18, 2017 at 10:57:31AM +0200, Arnd Bergmann wrote: > How expensive would it be to add another field to timer_list and > just have both pointers?
That would add 4/8 bytes to every structure containing a timer, so I'd rather avoid it if possible. But one option might be to inflict this onto users of outdated compilers and use the union for modern ones.
