hg: shenandoah/jdk9/hotspot: Implement (hopefully) fast CodeCache scanning using scavenging mechanism.

[roman at kennke.org]

Changeset: 83d2de03e07e
Author:    rkennke
Date:      2016-07-14 00:57 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/83d2de03e07e

Implement (hopefully) fast CodeCache scanning using scavenging mechanism.

! src/share/vm/code/codeCache.cpp
! src/share/vm/code/compiledMethod.hpp
! src/share/vm/code/nmethod.cpp
! src/share/vm/gc/shared/parallelCleaning.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/gc/shenandoah/shenandoahRootProcessor.cpp
! src/share/vm/gc/shenandoah/shenandoahRootProcessor.hpp