RFR: 8253639: Change os::attempt_reserve_memory_at parameter order

[Thomas Stuefe]

On Fri, 25 Sep 2020 13:26:30 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> I propose that we change the parameter order from:
> os::attempt_reserve_memory_at(size, addr, <extra params>)
> 
> to:
> os::attempt_reserve_memory_at(addr, size, <extra params>)
> 
> This patch builds upon the changes in pull/357. There's currently no way to create an incremental review, but I want to
> get this out for review now. So, unfortunately you have to ignore the first commit and look at the second commit.

Looks good to me.

I still learn to skara and just noticed that as a reviewer I cannot use /reviewer. Since this PR contains commits from
some other PR, I don't know how to mark this as reviewed.

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PR: https://git.openjdk.java.net/jdk/pull/359