Sebastiaan van Stijn

Wondering if these should be moved into `libcontainer/cgroups` (not as part of this PR)

Remaining issues are outlined in https://github.com/opencontainers/runc/pull/2966#issuecomment-854193373

@kolyshkin @AkihiroSuda ptal

> It does not make sense to try to clean up documentation for something that is deprecated. Addressed by https://github.com/opencontainers/runc/pull/2999, and rebased this one because that was merged.

Rebased, PTAL

I need to have a look at rebasing this one, to see which commits are still relevant

@kolyshkin I rebased this one

@Keno looks like your commit message is missing a DCO sign-off; https://github.com/opencontainers/runtime-spec/pull/1102/checks?check_run_id=2310376370

So, generally, I understand and am "positive" on the _idea_ but the devil may be in the details. Let me write down some thoughts ## 1. architecture-dependent One reason for...

Given that it's adding new features, #1040 should probably bump the _minor_ version to stick with SemVer (so `v1.1.0`)