RFR: 8267945: ZGC: Revert NUMA changes (JDK-8266217 and JDK-8241354) after JDK-8241423

[Jie Fu]

On Fri, 28 May 2021 15:30:36 GMT, Per Liden <pliden at openjdk.org> wrote:

>> Hi all,
>> 
>> As discussed here [1], JDK-8266217 and JDK-8241354 make no sense after JDK-8241423.
>> 
>> 8266217: ZGC: Improve the -Xlog:gc+init output for NUMA
>> 8241354: ZGC still crashes in containers with NUMA due to get_mempolicy is disabled by default
>> 
>> 
>> It would be better to revert the changes.
>> 
>> The patch was prepared like this:
>> 
>> # Revert JDK-8266217
>> git diff 5ecef01c4a9 5d8c1cc8a05 > r8266217.diff
>> patch -p1 < r8266217.diff   # patch applied cleanly
>> 
>> # Revert JDK-8241354
>> git diff 794cefe8f92 23180f848f0 > r8241354.diff
>> patch -p1 < r8241354.diff   # patch applied cleanly
>> 
>> 
>> Testing:
>>   - hotspot/jtreg/gc/z on Linux/x64 and MacOSX.
>> 
>> Thanks.
>> Best regards,
>> Jie
>> 
>> [1] https://github.com/openjdk/jdk/pull/4205#issuecomment-849390011
>
> Marked as reviewed by pliden (Reviewer).

Thanks @pliden .
Will push it on Monday if there is no objection.
Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/4252