RFR: 8268388: Update large pages information in Java manpage

[Leo Korinth]

On Wed, 9 Jun 2021 08:01:46 GMT, Stefan Johansson <sjohanss at openjdk.org> wrote:

> Please review this update to the text for large pages in the Java man page. 
> 
> The text for `LargePageSizeInBytes` was reviewed in this [CSR](https://bugs.openjdk.java.net/browse/JDK-8265517), and this change will integrate them into the actual man page. The *Large Pages* section further down in the man page was also a bit out-dated and have been brushed up a bit.

Looks good to me.

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Marked as reviewed by lkorinth (Committer).

PR: https://git.openjdk.java.net/jdk/pull/4425