RFR: 8256155: Allow multiple large page sizes to be used on Linux [v31]

[Stefan Johansson]

On Wed, 5 May 2021 17:51:25 GMT, Marcus G K Williams <mgkwill at openjdk.org> wrote:

>> Change the meaning of LargePageSizeInBytes to be the maximum large page size the JVM may use (not the only one). A default value of zero will mean to allow the JVM use large page sizes up to the system's default large page size.
>
> Marcus G K Williams has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove extranous vm_page_size check
>   
>   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>

Integrated #3878 now, so please merge those changes and I will pick this up and do some additional testing. I've been testing my changes with yours quite a bit already and everything seems to work. So hopefully we can get this in fairly soon.

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PR: https://git.openjdk.java.net/jdk/pull/1153