Summary: Don't turn on transparent huge pages (-XX:+UseTransparentHugePages) unless explicitly specified on the command line. This has the effect that large pages are never turned on Linux unless the user has explicitly enabled any of the large pages flags: -XX:+UseLargePages, -XX:+UseTransparentHugePages, -XX:+UseHugeTLBFS, and -XX:+UseSHM.
Reviewed-by: jwilhelm, tschatzl, brutisso

Summary: Changed a few descriptions and variable names to young gen.
Reviewed-by: tschatzl, jcoomes

Summary: Use instance variables directly within the collector policy classes and remove unused setters.
Reviewed-by: tschatzl, jcoomes

Summary: Removed stray includes and some minor cleanup of GenerationSizer
Reviewed-by: tschatzl, jcoomes

Summary: Remove a few redundant switch-statements
Reviewed-by: jcoomes, tschatzl

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

Reviewed-by: stefank, tschatzl

Reviewed-by: tschatzl, jwilhelm, jmasa

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: Move some G1 specific code from CardTableModRefBS to G1SATBCardTableModRefBS.
Reviewed-by: brutisso, tschatzl, ehelin

Summary: Only put "Compressed class space" as OOM cause if actually using Compressed class space
Reviewed-by: jwilhelm, stefank, ehelin, coleenp

Reviewed-by: jcoomes

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

Reviewed-by: ksrini, katleman

Reviewed-by: mgerdin, tschatzl, jmasa

Summary: Add G1BiasedArray<T> that is an array where each element represents a fixed-sized subdivision of the heap. Use this abstraction to refactor the HeapRegionSeq class.
Reviewed-by: brutisso

Summary: use adr_at() to access inline info structures in growableArray. Add ability to specify print inlining per method.
Reviewed-by: twisti

Summary: Allocation in the code cache returns NULL instead of failing the entire VM
Reviewed-by: kvn, iveresov

8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
Summary: Need to refetch each method from InstanceKlass after all safepoints.  Removed leaky PreviousVersionInfo code.
Reviewed-by: coleenp, sspitsyn

Summary: replace PT_LOAD segment with library segment when necessary
Reviewed-by: dholmes, sla

Reviewed-by: sla, dsamersoff
Contributed-by: NYasumasa Suenaga <yasu@ysfactory.dip.jp>

Reviewed-by: coleenp, mgerdin, jmasa