RFR: 8284900: Check InitialHeapSize and container memory limits before startup [v8]

[Jie Fu]

On Thu, 21 Apr 2022 09:57:10 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> Perhaps we should generalize this to use `os::physical_memory()` here instead of the Linux-specific `OSContainer` API? `os::physical_memory()` would return the container limit if it detects so.

What will happen with `-Xms7G` on a machine configured with 4G physical memory + 4G swap space?
Does `os::physical_memory()`  return `physical memory + swap space size`?

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PR: https://git.openjdk.java.net/jdk/pull/8256