RFR: 8337217: Port VirtualMemoryTracker to use VMATree [v9]

[Afshin Zafari]

On Mon, 9 Dec 2024 15:44:37 GMT, Robert Toyonaga <duke at openjdk.org> wrote:

>> Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   removed unused local var.
>
> src/hotspot/share/nmt/regionsTree.hpp line 124:
> 
>> 122:     size_t rgn_size = 0;
>> 123:     size_t comm_size = 0;
>> 124:     size_t base = 0;
> 
> I think `base` and `comm_size` are unused.

Yes, they were. Removed. Thanks.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20425#discussion_r1877772750