RFR: 8372589: VM crashes on init when NonNMethodCodeHeapSize is set too small and UseTransparentHugePages is enabled

[Martin Doerr]

On Thu, 4 Dec 2025 12:59:03 GMT, David Briemann <dbriemann at openjdk.org> wrote:

> Aligning upwards instead of downwards not only solves the crash in large huge page scenarios but also ensures that the cache sizes are at least as big as they were set.

This make sense. Please make sure to commit it when JDK27 is started in head and after a 2nd review.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/28658#pullrequestreview-3540432282