hg: jdk/sandbox: 8241845: Shenandoah: align ShenandoahHeapRegions to cache lines

[chris.hegarty at oracle.com]

Changeset: f4e48777d978
Author:    shade
Date:      2020-03-31 08:42 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/f4e48777d978

8241845: Shenandoah: align ShenandoahHeapRegions to cache lines
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.hpp
! src/hotspot/share/gc/shenandoah/shenandoahPadding.hpp