Messages in this thread | | | Date | Thu, 26 Mar 2020 15:20:35 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH RFC] cpuset: Make cpusets get restored on hotplug |
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On Thu, Mar 26, 2020 at 03:16:23PM -0400, Joel Fernandes (Google) wrote: > This deliberately changes the behavior of the per-cpuset > cpus file to not be effected by hotplug. When a cpu is offlined, > it will be removed from the cpuset/cpus file. When a cpu is onlined, > if the cpuset originally requested that that cpu was part of the cpuset, > that cpu will be restored to the cpuset. The cpus files still > have to be hierachical, but the ranges no longer have to be out of > the currently online cpus, just the physically present cpus.
This is already the behavior on cgroup2 and I don't think we want to introduce this big a behavior change to cgroup1 cpuset at this point.
Thanks.
-- tejun
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