RFR: 8338526: Don't store abstract and interface Klasses in class metaspace [v3]

[Coleen Phillimore]

On Fri, 23 Aug 2024 06:13:29 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:
>> 
>>  - With JDK-8338929 we don't need is_in_class_space().
>>  - Merge branch 'master' into anon
>>  - Incorporated a set of Thomas Stuefe's comments. Take out AbstractClass MetaspaceObj::Type.
>>  - 8338526: Don't store abstract and interface Klasses in class metaspace
>
> src/hotspot/share/oops/klass.hpp line 205:
> 
>> 203: 
>> 204:   void* operator new(size_t size, ClassLoaderData* loader_data, size_t word_size, TRAPS) throw();
>> 205: 
> 
> Oh ArrayKlass never used this? Its good to move it to InstanceKlass.

ArrayKlass has its own operator new.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19157#discussion_r1733266271