Colin King <colin.king@xxxxxxxxxxxxx> wrote: > Shifting 1 (a 32 bit signed int) more than 32 places will overflow > the int, so explicitly use 1ULL to avoid this overflow. > ... > - mask = (1 << nr_slots) - 1; > + mask = (1ULL << nr_slots) - 1; nr_slots cannot be larger than 9, so what I wrote is actually fine and is more efficient on a 32-bit machine. David -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html