On Monday, December 03, 2012 01:18:48 PM Michael S. Tsirkin wrote: > On Mon, Dec 03, 2012 at 01:15:01PM +0800, Jason Wang wrote: > > > > + > > > > > > > > + /* Work struct for refilling if we run low on memory. */ > > > > > > > > + struct delayed_work refill; > > > > > > I can't really see the justificaiton for a refill per queue. Just have > > > > > > one work iterate all the queues if it happens, unless it happens often > > > > > > (in which case, we need to look harder at this anyway). > > > > But during this kind of iteration, we may need enable/disable the napi > > regardless of whether the receive queue has lots to be refilled. This may > > add extra latency. > > We are running from the timer, so latency is not a concern I think. Maybe, anyway it's only called when avaiable memory is low, so it should not be an issue. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
