On Tue, Nov 22, 2016 at 03:16:43PM -0500, Tejun Heo wrote: > On Mon, Nov 14, 2016 at 02:22:10PM -0800, Shaohua Li wrote: > > each queue will have a state machine. Initially queue is in LIMIT_HIGH > > state, which means all cgroups will be throttled according to their high > > limit. After all cgroups with high limit cross the limit, the queue state > > gets upgraded to LIMIT_MAX state. > > cgroups without high limit will use max limit for their high limit. > > Haven't looked at the actual mechanism yet so please correct me if I'm > getting it wrong but at least the above explanation reads incorrect. > Shouldn't max limits applied regardless of whether other cgroups are > above high or not? That's true. Since the max limit is higher than high limit (the interface patch 2 has the check), if cgroup is throttled according to high limit, max limit is respected too. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
