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  1. JDK
  2. JDK-8267246

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

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        vmTestbase/vm/mlvm/anonloader/stress/oome/metaspace/Test.java fails on our many-core machines due to `-XX:MaxRAMPercentage=0`.
        This is because `MaxRAMPercentage` will be always 0 if JTREG_JOBS > 25 [1].

        [1] https://github.com/openjdk/jdk/blob/master/make/RunTests.gmk#L741

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                jiefu Jie Fu
                jiefu Jie Fu
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