RFR: 8272147: Consolidate preserved marks handling with other STW collectors [v5]

[Guoxiong Li]

On Thu, 8 Jun 2023 14:09:08 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch removes the class `markSweep.hpp::PreservedMark` and uses the shared `PreservedMarksSet` instead.
>> 
>> In order to keep the meaning of the field `_preserved_marks` in `markSweep`,
>> I need to use `OopAndMarkWord` explicitly. So I move `OopAndMarkWord` out of `PreservedMarks`.
>> 
>> Tests:
>> `hotspot:tier1` passed locally (x86 & linux).
>> 
>> Thanks for the review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Rename OopAndMarkWork to PreservedMark.

Waiting for another review.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/14274#issuecomment-1586700499