RFR: 8277990: NMT: Remove NMT shutdown capability [v2]

[Aleksey Shipilev]

On Tue, 7 Dec 2021 13:41:08 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   tstuefe's comments
>
> src/hotspot/share/services/mallocTracker.cpp line 263:
> 
>> 261: 
>> 262: #ifdef ASSERT
>> 263:   if (level >= NMT_summary) {
> 
> Suggestion:
> 
>   if (level > NMT_off) {
> 
> 
> This way, we don't care where `NMT_summary` is in the enum. We enter this code on all paths when NMT is enabled?

Actually, maybe even call to `enabled()` here?

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PR: https://git.openjdk.java.net/jdk/pull/6640