Hi, On Wed, 17 May 2023 12:01:10 +0000, Hao Lee wrote: > Hi, Paul > > I noticed that QuickQuiz 5.46 is causing confusion due to the fact that > balance_count() and flush_local_count() are both located within the > slowpath and are called sequentially. As a result, it is impossible for > them to compete for the counterandmax thread-local variable. Right. And that's exactly what is mentioned in the answer to the quiz. I guess it confused you because you didn't expect such an easy one, no ? :-) Thanks, Akira > Therefore, > I believe that this quiz may be referring to the global variables > globalcount and globalreserve. > > Thanks, > Hao Lee