RFR: 8357086: os::xxx functions returning memory size should return size_t [v3]

[David Holmes]

On Thu, 29 May 2025 06:37:36 GMT, David Holmes <dholmes at openjdk.org> wrote:

> It is not documented in os.hpp nor required by the OperatingSystemMXBean API!

So I just discovered the swap functions (possibly others) are not actually used by the `OperatingSystemMXBean` API. That code exists on the JDK side.

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PR Comment: https://git.openjdk.org/jdk/pull/25450#issuecomment-2918482517