Add capability to use swap, requires Kube 1.22 #8241
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* Alpha-NodeSwap: allow nodes to use swap * CI: Add Fedora 35 with experimental swap job
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* Alpha-NodeSwap: allow nodes to use swap * CI: Add Fedora 35 with experimental swap job
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What type of PR is this?
/kind feature
What this PR does / why we need it:
Since Fedora 35 now comes default with Swap-on-ZRam and we have an alpha feature in kube 1.22 (https://kubernetes.io/docs/concepts/architecture/nodes/#swap-memory) to use node swap, this PS adds the necessary support bits in place and exercises the feature in CI (manually to avoid extra unneeded run time).
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?: