On Tue, Jan 30, 2018 at 07:05:48AM -0500, Jeff Layton wrote: > > I want to make sure I understand what's actually broken here thoug. Is > it only broken when the two values are more than 2**63 apart, or is > there something else more fundamentally wrong here? The other problem is that returning a s64 (or a u64) is extremely inefficient on a 32-bit platform. So in general, it's better to avoid returning a 64-bit type unless it's really necessary.... - Ted
