RFR: 8367485: os::physical_memory is broken in 32-bit JVMs when running on 64-bit OSes

[Andrew Haley]

On Wed, 17 Sep 2025 08:58:05 GMT, Anton Artemov <duke at openjdk.org> wrote:

> > Wouldn't it be better effectively to restore the status quo ante, albeit with a standard type such as `uint64_t`?
> 
> Do you think that all memory functions should return `uint64_t` then, not only `physical_memory()`?

Yes. `available_memory()` should report the available memory reported by the OS.

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PR Comment: https://git.openjdk.org/jdk/pull/27335#issuecomment-3302301313