hg: hsx/hotspot-gc/hotspot: 8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines

[bengt.rutisson at oracle.com]

Changeset: ca0a78017dc7
Author:    brutisso
Date:      2012-12-30 08:47 +0100
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/ca0a78017dc7

8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
Reviewed-by: jmasa, jcoomes

! src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp
! src/share/vm/gc_implementation/parNew/parNewGeneration.cpp
! src/share/vm/gc_implementation/parNew/parNewGeneration.hpp
! src/share/vm/memory/collectorPolicy.cpp
! src/share/vm/memory/tenuredGeneration.cpp
! src/share/vm/runtime/arguments.cpp