[jdk17u-dev] RFR: 8286030: Avoid JVM crash when containers share the same /tmp dir

[Goetz Lindenmaier]

I backport this for parity with 17.0.7-oracle.

I had to resolve due to context in perfMemory_posix.cpp.

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Commit messages:
 - Backport 84f23149e22561173feb0e34bca31a7345b43c89

Changes: https://git.openjdk.org/jdk17u-dev/pull/1150/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1150&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8286030
  Stats: 324 lines in 3 files changed: 267 ins; 27 del; 30 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1150.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/1150/head:pull/1150

PR: https://git.openjdk.org/jdk17u-dev/pull/1150