RFR: JDK-8296764 NMT: reduce loads in os::malloc [v2]

[Thomas Stuefe]

On Thu, 10 Nov 2022 23:32:49 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Feedback andrew, ioi
>
> src/hotspot/share/services/nmtPreInit.cpp line 182:
> 
>> 180: //  in post-init, no modifications to the lookup table are possible.
>> 181: void NMTPreInit::pre_to_post() {
>> 182:   assert(MemTracker::is_initialized() == false, "just once");
> 
> Maybe this should be `!MemTracker::is_initialized()` to be consistent with the rest of the code?

Done.

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PR: https://git.openjdk.org/jdk/pull/11080