[jdk11u-dev] RFR: 8267246: -XX:MaxRAMPercentage=0 is unreasonable for jtreg tests on many-core machines

[Jie Fu]

8267246: -XX:MaxRAMPercentage=0 is unreasonable for jtreg tests on many-core machines

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Commit messages:
 - Backport 0daec497fea8c048a9455e4ff331a9d8c4293a4b

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/600/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=600&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267246
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/600.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/600/head:pull/600

PR: https://git.openjdk.java.net/jdk11u-dev/pull/600