[jdk17u-dev] RFR: 8276796: gc/TestSystemGC.java large pages subtest fails with ZGC

[Goetz Lindenmaier]

I backport this for parity with 17.0.4-oracle.

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Commit messages:
 - Backport 91bb0d658bce010e74b248b56f0fa5b8a79e8802

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/261/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=261&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276796
  Stats: 15 lines in 1 file changed: 7 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/261.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/261/head:pull/261

PR: https://git.openjdk.java.net/jdk17u-dev/pull/261