8173335: Improve logging for j.l.ref.reference processing
Summary: Add logs for each phases of references and stats for each worker threads
Reviewed-by: tschatzl, shade

8183552: Move align functions to align.hpp
Reviewed-by: stuefe, pliden

8178499: Remove _ptr_ and _size_ infixes from align functions
Reviewed-by: rehn, tschatzl

8178489: Make align functions more type safe and consistent
Reviewed-by: mgerdin, rehn

8166276: Refactor gen_process_roots to allow simpler fix for 8165949
Reviewed-by: mgerdin, stefank
Contributed-by: jesper.wilhelmsson@oracle.com, stefan.johansson@oracle.com

8033552: Fix missing missing volatile specifiers in CAS operations in GC code
Summary: Add missing volatile specifiers.
Reviewed-by: kbarrett, tschatzl

8164936: G1 age table printout contains contents from previous GC
Summary: Split tenuring threshold update and printing into two separate parts so that they can be used independently.
Reviewed-by: jmasa, sangheki

8157907: Incorrect inclusion of atomic.hpp instead of atomic.inline.hpp
Summary: Remove atomic.inline.hpp and move the contents back into atomic.hpp
Reviewed-by: stefank, pliden, simonis

8156032: Clean up parallel GC specific code from vm/gc/shared/preservedMarks.cpp
Reviewed-by: stefank, tschatzl

8154467: Cleanup initialization of GCPolicyCounters
Reviewed-by: ehelin, sjohanss

8152312: ParNew: Restore preserved marks in parallel
Reviewed-by: tschatzl

8132524: Missing includes to resourceArea.hpp
Summary: Files that use ResourceMark are missing the include of resourceArea.hpp
Reviewed-by: tschatzl, jwilhelm

8151438: UL instantiates duplicate tag sets
Reviewed-by: brutisso, stefank

8152100: Rework and unify the GC phase logging
Reviewed-by: sjohanss, jwilhelm

8146989: Introduce per-worker preserved mark stacks in ParNew
Summary: Unify and provide per-worker preserved mark stack handling in ParNew
Reviewed-by: tschatzl, ysr

8146395: Add inline qualifier in oop.hpp and fix inlining in gc files
Summary: Fix remaining issues after 8146401. Also fix windows VS2010 linkage problem (g1OopClosures.hpp).
Reviewed-by: stefank, mgerdin

8146690: Make all classes in GC follow the naming convention.
Reviewed-by: dholmes, stefank

8146695: FinalizeTest04 crashes VM with EXCEPTION_INT_DIVIDE_BY_ZERO
Reviewed-by: jwilhelm, jprovino

8144527: NewSizeThreadIncrease would make an overflow
Summary: Revert to previous value if NewSizeThreadIncrease related calculation overflows
Reviewed-by: jwilhelm, mgerdin, mchernov

8145092: Use Unified Logging for the GC logging
Summary: JEP-271. VM changes contributed by brutisso, test changes contributed by david.
Reviewed-by: sjohanss, david, brutisso
Contributed-by: bengt.rutisson@oracle.com, david.lindholm@oralce.com

Merge

8140424: don't prefix developer and notproduct flag variables with CONST_ in product builds
Reviewed-by: goetz, stefank

8139772: Cleanups in Generation related code
Reviewed-by: tbenson, mgerdin

8139434: Unify GenRemSet and CardTableRS
Reviewed-by: jwilhelm, mgerdin

8139134: Wrong tenuring threshold in young GC trace event
Reviewed-by: ehelin, jwilhelm
Contributed-by: Carsten Varming <cvarming@twitter.com>

8134953: Make the GC ID available in a central place
Reviewed-by: pliden, jmasa

8134797: Remove explicit casts in CollectorPolicy hierarchy
Summary: Removed the explicit casts.
Reviewed-by: jwilhelm, tschatzl, pliden

8134626: Misc cleanups after generation array removal
Reviewed-by: david, dholmes, tschatzl

8130931: Refactor CardTableModRefBS[ForCTRS]
Summary: Remove friends and push CTRS-specific code down from base to derived
Reviewed-by: tschatzl, mgerdin

8129961: SIGSEGV when copying to survivor space
Summary: Remove "include_young" parameter from GenCollectedHeap::no_allocs_since_save_marks() since all existing uses pass true to always rescan young gen.
Reviewed-by: jmasa, kbarrett

8077842: Remove the level parameter passed around in GenCollectedHeap
Reviewed-by: kbarrett, mgerdin

8072913: [REDO] GCCause should distinguish jcmd GC.run from System.gc()
Summary: GCCause which is caused by GC.run diagnostic command should be different from System.gc() .
Reviewed-by: jmasa, jwilhelm

8080113: Remove CollectedHeap::set_par_threads()
Reviewed-by: jmasa, kbarrett

8080112: Replace and remove the last usages of CollectedHeap::n_par_threads()
Reviewed-by: jmasa, kbarrett

8080110: Remove usage of CollectedHeap::n_par_threads() from root processing
Reviewed-by: jmasa, kbarrett

8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david