Re: cpusets in non-unified hierarchy broken?

[Zefan Li]

On 2015/2/13 5:49, Serge Hallyn wrote:
> Hi,
> 
> as of some point in 3.18, cpuset.cpus doesn't seem to be
> enforced any more.  I don't see an obvious reason in the
> code, but it seems likely to be related to the effective_cpus.
> 
> If I mount -t cgroup -o cpuset cpuset /mnt and then mkdir /mnt/lxc,
> then /mnt/lxc has:
> 
> ====================================================
> ubuntu@cpuset1:~$ cat /mnt/lxc/cpuset.effective_cpus
> 
> ubuntu@cpuset1:~$ cat /mnt/lxc/cpuset.cpus
> 0-3

This happens when you enable cgroup.clone_children.

Thanks for reporting this bug! Will fix it soon.

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