RFR: 8273626: G1: Factor out concurrent segmented array from G1CardSetAllocator [v3]

[Thomas Schatzl]

On Fri, 8 Oct 2021 08:19:11 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hamlin Li has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
>> 
>>  - Merge branch 'openjdk:master' into generalize-g1CardSetBuffer-and-Allocator
>>  - Rename Xxx to G1Xxx
>>  - Clean code
>>  - Fix wrong length() in SegmentedArrayBuffer, cause it might grow more than _elem_nums
>>  - Initial commit
>
> src/hotspot/share/gc/g1/g1CardSetMemory.hpp line 41:
> 
>> 39: // Collects G1CardSetAllocator options/heuristics. Called by G1CardSetAllocator
>> 40: // to determine the next size of the allocated G1CardSetBuffer.
>> 41: 
> 
> Superfluous newline

Still the case...

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PR: https://git.openjdk.java.net/jdk/pull/5478