Reviewed-by: kvn, roland

Summary: Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context.
Reviewed-by: mgerdin, brutisso

Reviewed-by: mgerdin, tschatzl, jmasa

Reviewed-by: ehelin, stefank

8055765: Misplaced @key stress prevents MallocSiteHashOverflow.java and MallocStressTest.java tests from running
Reviewed-by: ctornqvi, zgu, hseigel

Reviewed-by: ctornqvi, sla

Reviewed-by: ctornqvi, zgu

8055052: [TESTBUG] runtime/NMT/JcmdDetailDiff.java fails on Windows when there are no debug symbols available
Reviewed-by: ctornqvi, hseigel

Summary: disable failing test
Reviewed-by: ctornqvi, zgu

Summary: enable tests for NMT2
Reviewed-by: ctornqvi, zgu

Summary: Re-enabled warning as launcher change reached promotion build
Reviewed-by: hseigel, coleenp

Summary: The new NMT2 tests got lost on the way into jdk9 yesterday, this change adds them.
Reviewed-by: coleenp, zgu, ctornqvi

Reviewed-by: mgerdin, bdelsart, jcoomes

Summary: Fixup the remaining variable names.
Reviewed-by: tonyp, jwilhelm

Summary: Disable the test until related Java launcher change reaches promotion build
Reviewed-by: ctornqvi, gtriantafill

Summary: The verification code that checked whether no bitmap mark had been found re-read HeapRegion::end() after the check on the bitmap. Concurrent humongous object allocation could have changed HeapRegion::end() in the meantime. Fix this by using the actual end of the region instead of HeapRegion::end() for comparison.
Reviewed-by: brutisso, jmasa

Summary: Enable shrinking within the heap by removing some code added for JDK-8054818. Enable the test case that checks that again too.
Reviewed-by: jwilhelm, jmasa

8037925: CMM Testing: an allocated humongous object at the end of the heap should not prevents shrinking the heap
Summary: New test added.
Reviewed-by: ehelin, tschatzl, jwilhelm
Contributed-by: andrey.x.zakharov@oracle.com

Summary: Misplacement of #if INCLUE_CDS, typos, unnecessary C string duplication
Reviewed-by: dholmes, ccheung

Reviewed-by: jmasa, jwilhelm

8055657: Test compiler/classUnloading/methodUnloading/TestMethodUnloading.java does not work with non-default GC
Summary: Remove the '-XX:+UseParallelGC' parameter from the test because it is conflicting with other GC settings.
Reviewed-by: kvn

Reviewed-by: jcoomes

8056175: Change "8048150: Allow easy configurations for large CDS archives" triggers conversion warning with older GCC
Summary: cast the result of the conversion to uintx
Reviewed-by: ccheung, coleenp
Contributed-by: volker.simonis@gmail.com

Summary: Removed MemTracker::shutdown() call to avoid deadlock
Reviewed-by: minqi, ctornqvi

Reviewed-by: jwilhelm, jmasa

Summary: Add missing unit test.
Reviewed-by: tschatzl
Contributed-by: NLeonid Mesnik <leonid.mesnik@oracle.com>

Reviewed-by: pliden, jmasa