> > > +/* > > > + * maximal error of a stat counter. > > > + */ > > > +static inline unsigned long bdi_stat_delta(void) > > > +{ > > > +#ifdef CONFIG_SMP > > > + return NR_CPUS * FBC_BATCH; > > > > This is enormously wrong for CONFIG_NR_CPUS=1024 on a 2-way.
Right, I knew about that but, uhm. I wanted to make that num_online_cpus(), and install a hotplug notifier to fold the percpu delta back into the total on cpu offline. But I have to look into doing that hotplug notifier stuff. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/