On Wed, Jan 15, 2014 at 06:03:10PM +0100, Oleg Nesterov wrote: > On 01/14, Paul E. McKenney wrote: > > > > The __run_timers() function currently steps through the list one jiffy at > > a time > > And this is very suboptimal if jiffies - timer_jiffies is huge. Looks > like, we should rework base->tv* structures, or (perhaps) optimize > the "cascade" logic so that __run_timers() can increment timer_jiffies > and move all the expired timers into work_list at one step. And the > ->next_timer logic is obviously very suboptimal.
Thomas is actually actively working on a replacement for the entire cascade mess. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
