Summary: Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking.
Reviewed-by: jmasa

Reviewed-by: kvn
Contributed-by: NGary Benson <gbenson@redhat.com>

Summary: Set minimum heap size to min(OldSize + NewSize, MaxHeapSize) in Arguments::set_heap_size().
Reviewed-by: kvn, ysr, tonyp

Reviewed-by: kvn, twisti

Summary: Add serviceability support for uint64_t. Flags of unknown type assert in debug builds and are ignored in product builds.
Reviewed-by: never, xlu, mchung, dcubed

Reviewed-by: never

Summary: Apply modification of existing server heap size ergo to all collectors except CMS.
Reviewed-by: jmasa, ysr, xlu

Summary: Implement scalar replaced objects debug info dump in SA.
Reviewed-by: twisti

6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks)
Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store  and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers().
Reviewed-by: jcoomes, kvn, never

Reviewed-by: never
Contributed-by: gbenson@redhat.com

Reviewed-by: never, ysr, acorn

Summary: remove over locking by VMThread on "is thread suspended?" check
Reviewed-by: dholmes, acorn, andrew

Summary: Update copyright for files that have been modified in 2009 through Septermber
Reviewed-by: tbell, ohair

Reviewed-by: kamg, dcubed

Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr

Summary: Fix CDS/CMS option overrides related to iCMS option CMSIncrementalMode; explicate overrides to error stream.
Reviewed-by: coleenp

Reviewed-by: kamg, phh

Summary: enable compressed oops by default
Reviewed-by: never, ysr

Summary: use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams
Reviewed-by: kvn, never, twisti

Reviewed-by: iveresov, tonyp, ysr

Reviewed-by: ysr, never, kvn

Summary: Refactor JNIHandles::checked_resolve_jmethod_id() into fast and paranoid parts.
Reviewed-by: never, alanb

Summary: switch them from product to experimental; 6817525 will toggle them and switch to diagnostic
Reviewed-by: kvn

Summary: Use NewRatio if it is explicitly set.
Reviewed-by: ysr, jcoomes

Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens
Reviewed-by: kvn, never, jrose, twisti

Summary: Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.
Reviewed-by: jcoomes, jmasa, kvn, never

Summary: renaming a couple of update buffer-related parameters to make them more understandable and consistent.
Reviewed-by: iveresov, ysr

Summary: Correctly count full GC operations for framework collectors. Add ForceFullGCJVMTIEpilogues as a future work around if needed.
Reviewed-by: jcoomes, alanb, ysr

Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair

Summary: Use new atomic long load method Atomic::load() to load max_hrtime.
Reviewed-by: never, ysr, johnc, phh, dcubed, acorn

Summary: Fix deoptimization code and OopMapSet::all_do() to check for oop = narrow_oop_base.
Reviewed-by: jcoomes, phh, ysr, never

Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp

Summary: Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.
Reviewed-by: ysr, apetrusenko, jcoomes

Summary: Add new jvmstat counters to measure detailed class loading time
Reviewed-by: acorn, kamg

Summary: Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.
Reviewed-by: never

Summary: Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts.
Reviewed-by: apetrusenko, jcoomes, jmasa, kamg

Summary: add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame
Reviewed-by: never

6826318: G1: remove traversal-based refinement code
Summary: Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.
Reviewed-by: tonyp

Summary: These methods can be instrinsified by using bit scan, bit test, and population count instructions.
Reviewed-by: kvn, never

Summary: Change G1 flag names to be more consistent and disable some in 'product' mode.
Reviewed-by: tonyp, iveresov