On Mon, Jul 09, 2018 at 05:34:27PM +0200, Peter Zijlstra wrote: > On Mon, Jul 09, 2018 at 04:29:58PM +0100, Mark Rutland wrote: > > Shouldn't that be 8? AFAICT, __alignof__(unsigned long long) is 8 on > > x86_32: > > Curious, I wonder why we put that align in atomic64_32 then. Shiny, look at this: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54188