RFR: 8272773: Configurable card table card size [v9]

[Thomas Schatzl]

On Fri, 19 Nov 2021 13:06:17 GMT, Vishal Chand <duke at openjdk.java.net> wrote:

>> Hi,
>> 
>> Please review the changes to make CardTable entry size configurable. The changes primarily consists of:
>> 
>> 1. Addition of a cmdline flag **GCCardSizeInBytes** to make the card size startup time configurable.
>> 2. Setting the card size based on the flag in G1, Parallel and Serial GC memory initialization paths.
>> 3. Setting BlockOffsetTable size and ObjectStartArray size based on the card size.
>
> Vishal Chand has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Changes to address @albertnetymk comments

As the bot suggested:

>To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

Then I'll do the sponsoring (/sponsor) if necesasry.

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PR: https://git.openjdk.java.net/jdk/pull/5838