hg: jdk9/hs-gc/hotspot: 8076267: Remove n_gens()

[jesper.wilhelmsson at oracle.com]

Changeset: 112ea661cf80
Author:    jwilhelm
Date:      2015-04-02 16:37 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/112ea661cf80

8076267: Remove n_gens()
Reviewed-by: jprovino, kbarrett, jmasa

! agent/src/share/classes/sun/jvm/hotspot/memory/GenCollectedHeap.java
! src/share/vm/gc_implementation/parNew/parNewGeneration.cpp
! src/share/vm/memory/cardTableRS.cpp
! src/share/vm/memory/defNewGeneration.cpp
! src/share/vm/memory/genCollectedHeap.cpp
! src/share/vm/memory/genCollectedHeap.hpp
! src/share/vm/runtime/vmStructs.cpp
! src/share/vm/services/memoryService.cpp