RFR: JDK-8310233: Fix THP detection on Linux [v3]

[Thomas Stuefe]

On Fri, 14 Jul 2023 05:37:56 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Not an area I am familiar with but scanning through the code this seems reasonable. A few minor comments below.
> 
> Thanks.

Many thanks, @dholmes-ora! Remarks follow.

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PR Comment: https://git.openjdk.org/jdk/pull/14739#issuecomment-1635374935