RFR: 8337563: NMT: rename MEMFLAGS to MemFlag

[David Holmes]

On Thu, 15 Aug 2024 06:07:49 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> What is a Native Memory Tracker Type Flag?

It is a flag telling us the type of native memory being tracked.

> Whatever we choose we also need to consider the mt prefix of things like mtGC, mtClass, etc.

And what does that stand for: memory type? memory tracker? Arguably they should have been nmtGC etc.

> I think we should rename all the 'flags' variables in the same change.

Okay. That's a big change but I'd prefer it to any half-way measures.

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PR Comment: https://git.openjdk.org/jdk/pull/20497#issuecomment-2290754399