RFR: 8337217: Port VirtualMemoryTracker to use VMATree [v21]

[Afshin Zafari]

On Fri, 7 Feb 2025 10:29:42 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixed merge problems
>
> test/hotspot/gtest/nmt/test_nmt_treap.cpp line 238:
> 
>> 236:     EXPECT_LE(unexpected_count, REPEATS / 2) << "SSL Avg: " << sll_sum / REPEATS << " Treap Avg: " << treap_sum / REPEATS;
>> 237:   }
>> 238: 
> 
> These can be removed. We shouldn't have performance benchmarks running on tier1, as they'll use unnecessary CPU and time. We're also removing the treap in favour of the RB-tree soon :-).

Removed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20425#discussion_r1966835927