git: openjdk/jdk: 8256213: Remove os::split_reserved_memory

[Yumin Qi]

Changeset: 06c24e14
Author:    Yumin Qi <minqi at openjdk.org>
Date:      2020-12-18 20:23:43 +0000
URL:       https://git.openjdk.java.net/jdk/commit/06c24e14

8256213: Remove os::split_reserved_memory

Reviewed-by: ccheung, iklam

! src/hotspot/os/posix/os_posix.cpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/share/memory/metaspaceShared.cpp
! src/hotspot/share/memory/virtualspace.cpp
! src/hotspot/share/memory/virtualspace.hpp
! src/hotspot/share/runtime/os.hpp