RFR: JDK-8255884: Metaspace: chunk local commit counter may be stale [v6]

[Thomas Stuefe]

On Sat, 13 Feb 2021 13:58:21 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix builds
>
> src/hotspot/share/memory/metaspace/metachunk.cpp line 194:
> 
>> 192: 
>> 193:   DEBUG_ONLY(verify();)
>> 194:   DEBUG_ONLY(verify_neighborhood();)
> 
> Is this verification expensive wrt time in fastdebug?  Should it be SOMETIMES?

Should not be terribly expensive, but I will move it into the condition above. Its only needed if we modified the neighbors. That would bring down invocation times considerably.

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PR: https://git.openjdk.java.net/jdk/pull/1291