Re: [PATCH v16.1 0/9] mm / virtio: Provide support for free page reporting

[Dave Hansen]

On 1/23/20 2:29 PM, Alexander Duyck wrote:
> Looking it over this kind of does what we would want to do, however we
> would need to find a way to have this work without the cgroup requirement.
> Essentially we would have the guest running this and then proactively
> keeping its own resources in check.

It's also worth noting that for Clear Linux, the guests are doing
container-like things (https://katacontainers.io/) but inside virtual
machines.  The VM content in this case is known and relatively trusted,
so generally isn't a stretch to assume that it can run a daemon and will
mostly play nice.