RFR: 8284900: Check InitialHeapSize and container memory limits before startup [v6]

[xpbob]

On Tue, 19 Apr 2022 17:41:59 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> xpbob has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   format code
>
> Thanks for the update. I'll let those that understand the OSContainer APIs review if this is the correct usage of it.
> 
> Small nit: Local variables in GC code tend to be written with underscores and not camelCase. Maybe just rename `memswBytes` to `limit`. A short name seems fine for such a small scope.

@stefank
Thanks for review.
The code has been updated

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