hg: jdk7/hotspot-gc/hotspot: 6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data

y.s.ramakrishna at oracle.com y.s.ramakrishna at oracle.com
Sun Oct 24 02:11:00 PDT 2010


Changeset: a7214d79fcf1
Author:    ysr
Date:      2010-10-23 23:03 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/a7214d79fcf1

6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
Summary: Deprecated HandlePromotionFailure, removing the ability to turn off that feature, did away with one epoch look-ahead when deciding if a scavenge is likely to fail, relying on current data.
Reviewed-by: jmasa, johnc, poonam

! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
! src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
! src/share/vm/gc_implementation/parNew/parNewGeneration.cpp
! src/share/vm/memory/collectorPolicy.cpp
! src/share/vm/memory/defNewGeneration.cpp
! src/share/vm/memory/defNewGeneration.hpp
! src/share/vm/memory/genCollectedHeap.cpp
! src/share/vm/memory/genCollectedHeap.hpp
! src/share/vm/memory/generation.cpp
! src/share/vm/memory/generation.hpp
! src/share/vm/memory/tenuredGeneration.cpp
! src/share/vm/memory/tenuredGeneration.hpp
! src/share/vm/runtime/arguments.cpp
! src/share/vm/runtime/globals.hpp



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