RFR: 8312132: Add tracking of multiple address spaces in NMT [v54]

[Johan Sjölen]

On Tue, 30 Apr 2024 06:26:25 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>If we really want to rename it, I would name it something like IntervalTree. Since that's what it really is - managing sets of numeric intervals with attributes. But IMHO VMATree is fine.

I prefer `VMATree` because a traditional interval tree as per Wikipedia doesn't perform any sort of merging, it's "just" a set of intervals.

If we do expand VMA it should naively be `VirtualMemoryAreaTree`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18289#discussion_r1584494402