Summary: Try to reclaim humongous objects at every young collection after doing a conservative estimate of its liveness.
Reviewed-by: brutisso, mgerdin

Summary: Added -XX:+/-ClassUnloadingWithConcurrentMark
Reviewed-by: jmasa, brutisso, mgerdin

8051883: TEST.groups references missing test: gc/class_unloading/TestCMSClassUnloadingDisabledHWM.java
Reviewed-by: brutisso, tschatzl, ehelin, jmasa, dfazunen

Reviewed-by: jmasa, ehelin, jwilhelm

Reviewed-by: ysr, brutisso, tschatzl

Summary: When G1 is run with -XX:-G1DeferredRSUpdate, the VM crashes because of wrong initialization order of member variables. The change makes the initalization explicit, not relying on initialization order any more.
Reviewed-by: brutisso, mgerdin

Summary: The test launched a 32 bit VM with UseCompressedOops enabled. This is not supported on 32 bit VMs, causing a test failure. Investigation showed that the use of this flag is not required at all, so simply remove it.
Reviewed-by: tschatzl, jwilhelm
Contributed-by: NAndrey Zakharov <andrey.x.zakharov@oracle.com>

Summary: Parallelize card redirtying to decrease the time it takes.
Reviewed-by: brutisso

Reviewed-by: stefank, jmasa

Reviewed-by: ehelin, jwilhelm

Reviewed-by: ehelin, tschatzl

Reviewed-by: jwilhelm, ehelin, tschatzl

Reviewed-by: jmasa, sjohanss

Summary: Add test case for the VerifySilently flag.
Reviewed-by: brutisso

Summary: Detailed breakdown of time spent in the evacuation failure handling phases to make the "Other" time roughly correspond to the sum of its parts.
Reviewed-by: jwilhelm, jmasa

Summary: Show the time taken by card redirtying during GC in a new "Redirty Cards" line.
Reviewed-by: jwilhelm, brutisso

Summary: Improve fast card cache iteration and avoid taking locks when freeing the collection set.
Reviewed-by: brutisso

Summary: Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.
Reviewed-by: mgerdin, brutisso

Summary: Added tests for Min/MaxHeapFreeRatio flags
Reviewed-by: jwilhelm, tschatzl
Contributed-by: andrey.x.zakharov@oracle.com

Summary: Implementation of JEP 192, http://openjdk.java.net/jeps/192
Reviewed-by: brutisso, tschatzl, coleenp

8027455: Improve symbol table scan times during gc pauses
Summary: Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set.
Reviewed-by: mgerdin, coleenp, brutisso

Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov

Summary: GC log rotation can be set via java command line, but customer sometime need to sync with OS level rotation setting.
Reviewed-by: sla, minqi, ehelin
Contributed-by: suenaga.yasumasa@lab.ntt.co.jp

Summary: Change checks for isHumongous() to continuesHumongous() as installing a code root for a humongous object is valid, but not for continuations of humongous objects. Cleaned up asserts.
Reviewed-by: jmasa, tamao

7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector
Summary: Major cleanup of the collectorpolicy classes
Reviewed-by: tschatzl, jcoomes

Reviewed-by: stefank, ehelin, ysr, tschatzl

Reviewed-by: mgerdin, brutisso

Reviewed-by: brutisso, jwilhelm, tamao

Reviewed-by: brutisso, tschatzl

Summary: Using strtod() instead of atof() when parsing -Xminf and -Xmaxf.
Reviewed-by: brutisso, pliden

8012525: gc/metaspace/G1AddMetaspaceDependency.java Test fails a safepoint timeout assertion or hangs.
Reviewed-by: brutisso, tschatzl

8025441: G1: assert "assert(thread < _num_vtimes) failed: just checking" fails when G1ConcRefinementThreads > ParallelGCThreads
Summary: The initialization for the remembered set summary data structures used the wrong thread count, i.e. number of worker threads instead of number of refinement threads.
Reviewed-by: brutisso

Reviewed-by: brutisso, mgerdin

Summary: Add memory consumption breakdown on a per region type in the G1 remembered set summary statistics. This simplifies remembered set memory consumption analysis.
Reviewed-by: brutisso

Summary: Fix compilation error and use of an outdated VM option in the test
Reviewed-by: stefank, jwilhelm

Reviewed-by: stefank, dholmes, coleenp

Summary: Change JDKToolFinder to look in compile.jdk if the executable cannot be found in test.jdk
Reviewed-by: dholmes, hseigel

8024396: VM crashing with assert(!UseLargePages || UseParallelOldGC || use_large_pages) failed: Wrong alignment to use large pages
Summary: Loosen wrong assert for UseParallelOldGC to UseParallelGC
Reviewed-by: stefank, brutisso

Reviewed-by: jwilhelm, brutisso, tschatzl

Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes