RFR: 8275381 G1: refactor 2 constructors of G1CardSetConfiguration [v3]

[Hamlin Li]

On Sun, 24 Oct 2021 18:57:05 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Refine code further
>
> Marked as reviewed by tschatzl (Reviewer).

Thanks @tschatzl @albertnetymk for your reviews.

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PR: https://git.openjdk.java.net/jdk/pull/6033