RFR(S) 8227927: Move ParallelCleaningTask back to G1

[Zhengyu Gu]

Thanks, Kim.

-Zhengyu

On 7/23/19 8:52 PM, Kim Barrett wrote:
>> On Jul 23, 2019, at 3:04 PM, Zhengyu Gu <zgu at redhat.com> wrote:
>>
>> ParallelCleaningTask was moved from G1 to shared directory, so Shenandoah can use it. Now, Shenandoah no longer uses it, it can return to G1.
>>
>> However, Shenandoah still uses some of sub-tasks defined in shared/parallelCleaning.hpp/cpp, therefore, only ParallelCleaningTask and JVMCICleaningTask are moved to G1.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8227927
>> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8227927/webrev.00/index.html
>>
>> Test:
>>   hotspot_gc (fastdebug and release) on Linux x86_64.
>>   Submit tests in progress
>>
>>
>> Thanks,
>>
>> -Zhengyu
> 
> Looks good.
>