Re: [RFE] distinguish reclaimable memory in `systemctl status` output

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On Mon, Sep 28, 2020 at 02:29:07PM -0700, Vito Caputo <vcaputo@xxxxxxxxxxx> wrote:
> Is it possible to either add a reclaimable field the total memory line
> of `systemctl status` output?
> 
> Or perhaps a separate line like Memory-Reclaimable: ?
What would be the use of such an output?

> Is additional kernel memcg support required to make this possible?
I think you can get a reasonable picture by checking memory.stat of
the given memory cgroup, however, I'm not sure it can be losslessly
translated into a single value like that.

Michal

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