[jdk17u-dev] RFR: 8300658: memory_and_swap_limit() reporting wrong values on systems with swapaccount=0

[Goetz Lindenmaier]

I backport this for parity with 17.0.16-oracle.

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Commit messages:
 - Backport e47e9ec05b630c82182c7843365dfd90fdaa18a0

Changes: https://git.openjdk.org/jdk17u-dev/pull/3500/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3500&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300658
  Stats: 82 lines in 5 files changed: 65 ins; 14 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3500.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3500/head:pull/3500

PR: https://git.openjdk.org/jdk17u-dev/pull/3500