RFR: 8265473: Move os::Linux to its own header file [v3]

[Ioi Lam]

On Fri, 8 Jul 2022 18:48:19 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This seems fine. The name could be os_linux_impl.hpp, since impl looks a lot like inline surrounded by dots. os_share_linux.hpp should be deleted if it's not used. I wouldn't think of looking there for anything.

I renamed the file to os_linux_impl.hpp. I'll remove os_share_linux.hpp in a separate PR.

-------------

PR: https://git.openjdk.org/jdk/pull/9423