RFR: 8236847: CDS archive with 4K alignment unusable on machines with 64k pages [v6]

[Yumin Qi]

On Tue, 9 Mar 2021 17:42:34 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Yumin Qi has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains six commits:
>> 
>>  - Merge master
>>  - Add --enable-compatible-cds-alignment for linux-aarch64 and macosx-x64 in jib job
>>  - Switch to enble compatible-cds-alignment at configuration
>>  - Make CDS core region alignment configurable at build time
>>  - Make 64K core region alignment only for specific platforms, also fixed comments as suggestions.
>>  - 8236847: CDS archive with 4K alignment unusable on machines with 64k pages
>
> Build changes look good.

@theRealAph @tstuefe ping again, could have time comment on the most recent version? Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/2651