RFR: 8342011: Conditionally compile ReservedHeapSpace compressed heap support [v2]

[Stefan Karlsson]

On Wed, 16 Oct 2024 08:01:01 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Kim Barrett has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   improve conditionalization
>
> src/hotspot/share/memory/virtualspace.hpp line 138:
> 
>> 136: 
>> 137:   // Compressed oop support is not relevant in 32bit builds.
>> 138: #ifdef _LP64
> 
> Suggestion:
> 
> 
>   // Compressed oop support is not relevant in 32bit builds.
> #ifdef _LP64
> 
> 
> The `#endif // _LP64` below have blank lines before and after, so it seems more consistent to also have it here.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21484#discussion_r1804223509