RFR: 8318706: Implementation of JDK-8276094: JEP 423: Region Pinning for G1 [v2]

[Thomas Schatzl]

On Sat, 28 Oct 2023 18:32:56 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   ayang review1
>
> src/hotspot/share/gc/g1/heapRegion.cpp line 734:
> 
>> 732:   // ranges passed in here corresponding to the space between live objects, it is
>> 733:   // possible that there is a pinned object that is not any more referenced by
>> 734:   // Java code (only by native).
> 
> Can such obj becomes referenced by java again later on? IOW, a pointer passed from native to java.

I do not think so. I will do some more testing about this.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16342#discussion_r1376243855