On Sat, 2010-10-16 at 12:27 +0200, Eric Dumazet wrote: > > In cases you mention, you want a precise count (aka > percpu_counter_sum_positive()), not the approximate one (aka > percpu_counter_read_positive()). > > The only difference is then the possible/online cpu loop difference. > In either case, SGI is screwed, doing millions of for_each_*_cpu() loops per second isn't going to work for them. fwiw, for_each_*_cpu() takes longer than a single jiffy tick on those machines. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
