hg: jdk7/hotspot-gc/hotspot: 6923991: G1: improve scalability of RSet scanning

[igor.veresov at sun.com]

Changeset: 0414c1049f15
Author:    iveresov
Date:      2010-02-11 15:52 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/0414c1049f15

6923991: G1: improve scalability of RSet scanning
Summary: Implemented block-based work stealing. Moved copying during the rset scanning phase to the main copying phase. Made the size of rset table depend on the region size.
Reviewed-by: apetrusenko, tonyp

! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
! src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
! src/share/vm/gc_implementation/g1/g1OopClosures.hpp
! src/share/vm/gc_implementation/g1/g1OopClosures.inline.hpp
! src/share/vm/gc_implementation/g1/g1RemSet.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp
! src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp
! src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
! src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp
! src/share/vm/gc_implementation/g1/sparsePRT.cpp
! src/share/vm/gc_implementation/g1/sparsePRT.hpp
! src/share/vm/memory/cardTableModRefBS.hpp
! src/share/vm/utilities/globalDefinitions.hpp