hg: shenandoah/jdk10: [backport] Use PLAB for evacuations instead of TLAB

[roman at kennke.org]

Changeset: 54b80b681e42
Author:    rkennke
Date:      2018-05-18 14:29 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/rev/54b80b681e42

[backport] Use PLAB for evacuations instead of TLAB

! src/hotspot/share/gc/shared/collectedHeap.cpp
! src/hotspot/share/gc/shared/collectedHeap.hpp
! src/hotspot/share/gc/shared/plab.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp
! src/hotspot/share/gc/shenandoah/shenandoahWorkGroup.cpp
! src/hotspot/share/runtime/thread.cpp
! src/hotspot/share/runtime/thread.hpp