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SubjectRe: [PATCH v11 7/9] cpuset: Expose cpus.effective and mems.effective on cgroup v2 root

On Thu, Jul 19, 2018 at 11:52:46AM -0400, Waiman Long wrote:
> BTW, the way the partition is currently implemented right now is that a
> child cannot be a partition root unless its parent is a partition root
> itself. That is to avoid turning on partition to affect ancestors
> further up the hierarchy than just the parent. So in the case of a
> container, it cannot allocate sub-partitions underneath it unless it is
> a partition itself. Will that solve your concern?

Hmm... so a given ancestor must be able to both

1. control which cpus are moved into a partition in all of its

2. take away any given cpu from ist subtree.

Right now, I don't think it's achieving either, right?



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