RFR: 8346916: [REDO] align_up has potential overflow [v2]

[Albert Mingkun Yang]

On Fri, 28 Feb 2025 03:29:20 GMT, Dean Long <dlong at openjdk.org> wrote:

> or give it a max size smaller than max_uintx.

I think this makes more sense; maybe sth like `max_uintx/2` or even smaller. In practice, `MinHeapDeltaBytes` should be much much smaller than `max_uintx`.

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PR Comment: https://git.openjdk.org/jdk/pull/23711#issuecomment-2690263717