On 06/21/2018 03:58 PM, Waiman Long wrote: > On 06/20/2018 10:27 PM, Peter Zijlstra wrote: >> On Mon, Jun 18, 2018 at 12:14:01PM +0800, Waiman Long wrote: >>> + cpuset.sched.domain_root >> Why are we calling this a domain_root and not a partition? > A partition can consist of several cgroups in a tree structure. That > flag should only be set at the root of a partition. I will change the > name to partition_root if you think this name is acceptable. > >>> + A read-write single value file which exists on non-root >>> + cpuset-enabled cgroups. It is a binary value flag that accepts >>> + either "0" (off) or "1" (on). This flag is set by the parent >>> + and is not delegatable. >> You still haven't answered: >> , >> https://lkml.kernel.org/r/20180531094943.GG12180@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> >> the question stands. > I am sorry to miss your question. Turning on domain_root will affects > the cpu mapping in the parent. That is why it cannot be set by the child > as a child is not supposed to be able to affect the parent. After thinking a bit more about it, you are right that I should not use the term "not delegatable" here. I will rephrase in the next version. Cheers, Longman -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
