Reviewed-by: coleenp, sspitsyn

Reviewed-by: kvn, thartmann

8017629: G1: UseSHM in combination with a G1HeapRegionSize > os::large_page_size() falls back to use small pages
Reviewed-by: pliden, sjohanss, stuefe

8077276: allocating heap with UseLargePages and HugeTLBFS may trash existing memory mappings (linux)
Summary: Remove MAP_FIXED from initial mapping allocation; add tests
Reviewed-by: stefank, coleenp

Summary: Typo error referring new_acitve_workers is corrected as new_active_workers
Reviewed-by: jmasa, drwhite
Contributed-by: fairoz.matte@oracle.com

8036630: Null ProtectionDomain in JVM can cause NPE because principals field is not initialized to an empty array
Summary: Call ProtectionDomain constructor instead of making all fields null.
Reviewed-by: fparain, zgu

Summary: Complete support for 8132051 on Zero and fix failure on 64-bit big-endian systems
Reviewed-by: andrew, chrisphi, coleenp

Reviewed-by: dcubed, dholmes
Contributed-by: james.cheng@oracle.com

Reviewed-by: kvn

Summary: Check for failed expansion of stub section in code buffer and bailout.
Reviewed-by: kvn, thartmann

8055530: assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined
Summary: concurrent class loading causes return phi to become top
Reviewed-by: kvn

Reviewed-by: dsamersoff, sspitsyn, sla

Reviewed-by: dsamersoff, erikj

8076995: gc/ergonomics/TestDynamicNumberOfGCThreads.java failed with java.lang.RuntimeException: 'new_active_workers' missing from stdout/stderr
Reviewed-by: jmasa, drwhite

Reviewed-by: jmasa, kbarrett, tschatzl