RFR: 8256213: Remove os::split_reserved_memory

[Calvin Cheung]

On Thu, 17 Dec 2020 19:05:00 GMT, Yumin Qi <minqi at openjdk.org> wrote:

> Hi, Please review 
>   This is the second step for removing problematic os::split_reserved_memory on Windows. The first step has been accomplished under bug 8255917 (https://bugs.openjdk.java.net/browse/JDK-8255917).
>   This step remove the function split_reserved_memory which no longer be called after first step.
> 
> Tests: tier1-4
> 
> Thanks
> Yumin

Looks good other than a minor cleanup.

src/hotspot/share/memory/virtualspace.hpp line 83:

> 81: 
> 82:   // These simply call the above using the default alignment.
> 83:   inline ReservedSpace first_part(size_t partition_size/*, bool split = false*/);

Forgot to remove the comment code `/*, bool split = false*/`?

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Marked as reviewed by ccheung (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1825