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

[Per Liden]

On Fri, 28 May 2021 14:57:23 GMT, Jie Fu <jiefu 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).

-------------

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