On Wed, 2010-11-24 at 20:39 +0800, Wu Fengguang wrote: > > > @@ -125,7 +125,7 @@ static int calc_period_shift(void) > > > else > > > dirty_total = (vm_dirty_ratio * determine_dirtyable_memory()) / > > > 100; > > > - return 2 + ilog2(dirty_total - 1); > > > + return ilog2(dirty_total - 1) - 1; > > > } > > > > > > /* > > > > You could actually improve upon this now that you have per-bdi bandwidth > > estimations, simply set the period to (seconds * bandwidth) to get > > convergence in @seconds. > > I'd like to, but there is the global vs. bdi discrepancy to be > addressed first :) > > How about doing this simple fix first, and then revisit doing per-bdi > vm_dirties after the bandwidth estimation goes upstream? Sure -- 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