RFR: 8252888: Simplify G1MMUTracker class hierarchy [v2]

Tue Sep 22 08:02:55 UTC 2020

On Mon, 21 Sep 2020 22:02:16 GMT, John Tortugo <github.com+2249648+JohnTortugo at openjdk.org> wrote:

>> Relates to: https://bugs.openjdk.java.net/browse/JDK-8252888
>> Tested on: x86_64 - Linux - tier1
>> Need sponsor: yes
>> 
>> Merge `G1MMUTracker` and `G1MMUTrackerQueue` into a single class and make method members non virtual.
>
> John Tortugo has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Rename MMUTrackerQueue[Element] to MMUTracker

Thank you for the update. If you feel like it, `static consexpr uint QueueLength = 64;` reads better than `enum
PrivateConstants { ... }`, IMO. Not sure why an `enum` was used in the first place. The rest look fine to me.

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

Marked as reviewed by ayang (Author).

PR: https://git.openjdk.java.net/jdk/pull/214