RFR: JDK-8257588: Make os::_page_sizes a bitmask [v4]

[Thomas Stuefe]

On Fri, 4 Dec 2020 14:23:43 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Feedback Stefan K
>
> I think this mostly looks good, but there are a number of cleanups that I'd like you to consider.

Hi Stefan,

I pushed a new commit with the changes you requested.

Thanks, Thomas

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PR: https://git.openjdk.java.net/jdk/pull/1522