Re: Cache Allocation Technology Design

Matt Fleming
2014-10-28T23:22:20Z

On Fri, 24 Oct, at 12:53:06PM, Peter Zijlstra wrote:
>
> NAK, cgroups must support full hierarchies, simply enforce that the
> child cgroup's mask is a subset of the parent's.

For the specific case of Cache Allocation, if we're creating hierarchies
from bitmasks, there's a very clear limit to how we can divide up the
bits - we can't support an indefinite number of cgroup directories.

What do you mean by "full hierarchies"?

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Matt Fleming, Intel Open Source Technology Center