RFR: 8340419: ZGC: Create an UseLargePages adaptation of TestAllocateHeapAt.java

[Stefan Karlsson]

On Mon, 23 Sep 2024 07:28:15 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> [JDK-8340146](https://bugs.openjdk.org/browse/JDK-8340146) / #21127  disables TestAllocateHeapAt.java when running with persistent hugepages because it makes assumptions on the underlying file systems.
> 
> I propose creating a version of this tests which instead first checks if there is an appropriate mount point for a persistent hugepages heap file, and only runs the test if exists.

Marked as reviewed by stefank (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/21128#pullrequestreview-2321340466