RFR: JDK-8304954: SegmentedCodeCache fails when using large pages [v4]

[Thomas Stuefe]

On Mon, 24 Jul 2023 12:30:44 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Damon Fenacci has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   JDK-8304954: merge ifs checking when to print warning
>
> test/hotspot/jtreg/compiler/codecache/CheckLargePages.java line 28:
> 
>> 26:  * @bug 8304954
>> 27:  * @summary Test checks that if using large pages and code cache gets above the limit it tries to revert to smaller pages instead of failing
>> 28:  * @requires vm.gc != "Z"
> 
> Why not Z?

I'd limit this to linux only. No need to run on OSes that don't support large pages.

(If we want to be really correct, windows too, but I'm not so sure how stable and well-tested large page support there is)

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PR Review Comment: https://git.openjdk.org/jdk/pull/14903#discussion_r1272199486