Hello, On Fri, Oct 14, 2016 at 08:06:10AM +0800, zijun_hu wrote: > > I really can't decode what the actual issue is here. Can you please > > give an example of a concrete case? > > > the right relationship between the number of CPUs @nr_cpus within a percpu group > and the number of unites @nr_units within the same group is that > @nr_units == roundup(@nr_cpus, @upa); My question was whether there can be actual hardware configurations where this code can fail and if so what they look like and how they would fail. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>