hg: shenandoah/jdk9/hotspot: Improve adaptive heuristics.

[roman at kennke.org]

Changeset: 91776e357167
Author:    rkennke
Date:      2017-02-08 16:22 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/91776e357167

Improve adaptive heuristics.

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoah_globals.hpp