hg: jdk/sandbox: 8245035: Clean up os::split_reserved_memory()

[chris.hegarty at oracle.com]

Changeset: 88142d00ec1c
Author:    stuefe
Date:      2020-05-19 21:04 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/88142d00ec1c

8245035: Clean up os::split_reserved_memory()
Reviewed-by: coleenp, stefank

! src/hotspot/os/aix/os_aix.inline.hpp
! src/hotspot/os/bsd/os_bsd.inline.hpp
! src/hotspot/os/linux/os_linux.inline.hpp
! src/hotspot/os/posix/os_posix.cpp
! src/hotspot/os/solaris/os_solaris.inline.hpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/share/gc/shared/genCollectedHeap.cpp
! src/hotspot/share/memory/virtualspace.cpp
! src/hotspot/share/memory/virtualspace.hpp
! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/runtime/os.hpp