RFR: 8329223: Parallel: Parallel GC resizes heap even has -Xms = -Xmx [v2]

[Zhengyu Gu]

On Thu, 28 Mar 2024 23:43:57 GMT, Bernd <duke at openjdk.org> wrote:

>> Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Cleanup
>
> src/hotspot/share/gc/parallel/psOldGen.cpp line 297:
> 
>> 295: 
>> 296:   new_size = align_up(new_size, alignment);
>> 297:   new_size = clamp(new_size, min_gen_size(), max_gen_size());
> 
> Duplicates line, Is that a merge conflict? It would be useless if max_gen_size() is aligned. If not would it be better to align_down() the resulting value?

Oops, that's a leftover. Thank you for pointing out.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18539#discussion_r1543904685