hg: shenandoah/jdk9/hotspot: Allow 0 as ref-proc and class-unloading frequency (turning them off). Lower defaults for frequency to every 5th cycle.

[roman at kennke.org]

Changeset: 9f130d9baef3
Author:    rkennke
Date:      2016-06-20 23:26 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/9f130d9baef3

Allow 0 as ref-proc and class-unloading frequency (turning them off). Lower defaults for frequency to every 5th cycle.

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