RFR: 8256181: Remove Allocation of old generation on alternate memory devices functionality [v2]

[Igor Ignatyev]

On Wed, 11 Nov 2020 15:38:10 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   can I get reviews for this change that removes the "Allocation of old generation of Java heap on alternate memory devices" functionality introduced with JDK 12 with [JDK-8202286](https://bugs.openjdk.java.net/browse/JDK-8202286) due to being
>> 
>> - not used by anyone
>> - not maintained by anyone, i.e. several bugs open for a long time and bit rotting
>> - requiring some workarounds for new feature development wrt to heap management
>> 
>> All flags covered by this feature were experimental flags, so there are no additional procedural issues to take.
>> 
>> I tried to remove all but a few minor cleanups that I thought useful, but of course this is very subjective.
>> 
>> Testing: hs-tier1-5
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   ayang review

Marked as reviewed by iignatyev (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/1162