RFR: 8264540: WhiteBox.metaspaceReserveAlignment should return shared region alignment [v2]

[Yumin Qi]

On Fri, 2 Apr 2021 16:37:51 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> Yumin Qi has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix minimal build failure
>
> test/hotspot/jtreg/runtime/cds/appcds/SharedRegionAlignmentTest.java line 38:
> 
>> 36:  * @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
>> 37:  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar hello.jar Hello
>> 38:  * @run main/othervm/timeout=240 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. SharedRegionAlignmentTest
> 
> Is the increase in timeout necessary?

I will do a test in debug to check if it should be removed. Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/3309