On Thu, 3 Dec 2020, Florian Weimer wrote: > My knowledge of probability theory is quite limited, so I have to rely > on simulations. But I think you would see a 40 GiB gap somewhere for a > 47-bit address space with 32K allocations, most of the time. Which is > not too bad. This is very close to a Poisson process (if the number of small allocations being distributed independently in the address space is large), so the probability that any given gap is at least x times the mean gap is about exp(-x). -- Joseph S. Myers joseph@xxxxxxxxxxxxxxxx