RFR: 8273476: G1: refine G1CollectedHeap::par_iterate_regions_array_part_from [v2]

[Hamlin Li]

On Wed, 8 Sep 2021 12:17:44 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   refine comments and code
>
> src/hotspot/share/gc/g1/g1CollectedHeap.hpp line 1161:
> 
>> 1159:   // the given HeapRegionClosure on each region. The worker_id will determine where
>> 1160:   // in the part to start the iteration to allow for more efficient parallel iteration.
>> 1161:   void par_iterate_regions_array_part_from(HeapRegionClosure* cl,
> 
> The comment needs to be updated as well. `const uint* regions` can be written as `const uint regions[]` to make the concept clearer, IMO.

I have modified the function name too.

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PR: https://git.openjdk.java.net/jdk/pull/5414