RFR: 8329840: Fix ZPhysicalMemorySegment::_end type [v2]

[Axel Boldt-Christmas]

On Mon, 8 Apr 2024 11:27:36 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

>> `ZPhysicalMemorySegment::_end` should use `zoffset_end` for its type instead of `zoffset`.
>> 
>> Starting a debug vm with a 16TB min heap size will crash with an invalid `zoffset` assert.
>> 
>> Testing with ZGC tier1-tier7 on linux x64+aarch64
>
> Axel Boldt-Christmas has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix whitespace

Thanks for the reviews.

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PR Comment: https://git.openjdk.org/jdk/pull/18673#issuecomment-2044400643