RFR: 8370254: Add VM_MEMORY_JAVA mmap tag to MacOS mmap calls [v15]

[Kim Barrett]

On Fri, 14 Nov 2025 04:38:43 GMT, Nityanand Rai <duke at openjdk.org> wrote:

>> Add VM_MEMORY_JAVA tag to mmap calls in os_bsd.cpp for better memory tracking of java process on macOs
>
> Nityanand Rai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   cleanup

test/hotspot/gtest/testutils.cpp line 70:

> 68: }
> 69: 
> 70: #if APPLE_MEMORY_TAGGING_AVAILABLE

Why is this stuff in testutils, rather than just being co-located with the one using test?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27868#discussion_r2530716514