git: openjdk/mobile: 8242101: Shenandoah: coalesce and parallelise heap region walks during the pauses

[duke]

Changeset: fe2a8203
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2020-04-03 16:13:01 +0000
URL:       https://git.openjdk.java.net/mobile/commit/fe2a8203

8242101: Shenandoah: coalesce and parallelise heap region walks during the pauses

Reviewed-by: rkennke

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