RFR: 8231563: ZGC: Fails to warn when user sets the max heap size to larger than 16TB

Thomas Schatzl thomas.schatzl at oracle.com
Fri Sep 27 08:46:50 UTC 2019


On 27.09.19 09:16, Stefan Karlsson wrote:
> Hi all,
> Please review this small patch to fix the max heap size check in ZGC.
> https://cr.openjdk.java.net/~stefank/8231563/webrev.01/
> https://bugs.openjdk.java.net/browse/JDK-8231563
> After this fix the JVM refuses to start if a too high -Xmx is set:
> $ java -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -Xmx17t -version:
> Error occurred during initialization of VM
> Java heap too large

   looks good to me.


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