RFR: 8281455: Change JVM options with small ranges from 64 to 32 bits, for gc_globals.hpp [v3]

[Afshin Zafari]

On Fri, 9 Jun 2023 08:54:50 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   review comments applied
>
> src/hotspot/share/gc/g1/g1ConcurrentMark.cpp line 2311:
> 
>> 2309:   size_t target_size;
>> 2310:   if (partially) {
>> 2311:     target_size = MIN2((size_t)_task_queue->max_elems()/3, GCDrainStackTargetSize);
> 
> I was hoping max_elems() wouldn't need a cast.  Fixing that seems like it might be one of those long
> and more complicated threads I was referring to earlier.

The `max_elems()` return `uint` and the cast is needed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14259#discussion_r1242251737