hg: jdk/sandbox: 8141637: Parallelize single threaded heap region iteration during Pre Evacuate Collection Set

[chris.hegarty at oracle.com]

Changeset: 5af9fa90cd7b
Author:    sjohanss
Date:      2019-11-27 12:18 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/5af9fa90cd7b

8141637: Parallelize single threaded heap region iteration during Pre Evacuate Collection Set
Reviewed-by: tschatzl, lkorinth

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1CollectedHeap.hpp
! src/hotspot/share/gc/g1/g1CollectedHeap.inline.hpp
! src/hotspot/share/gc/g1/g1RemSet.cpp
! src/hotspot/share/gc/g1/g1RemSet.hpp