Summary: Some zeroing was missed for bug 8003553, causing empty stack traces and Xcom crashes, add back zeroing to metablock
Reviewed-by: dholmes, rbackman

Summary: Zero metadata in constructors, not in allocation (and some in constructors)
Reviewed-by: jmasa, sspitsyn

Reviewed-by: jcoomes

Summary: Corrected virtual memory recording and tagging code when large pages are used
Reviewed-by: coleenp, ccheung

Summary: dump nodes and types in 8004640 case.
Reviewed-by: roland

Summary: 7121140 may not correctly break the Allocate -> MemBarStoreStore link
Reviewed-by: kvn

Summary: fix null pointer
Reviewed-by: kvn, coleenp

7107135: Stack guard pages are no more protected after loading a shared library with executable stack
Summary: Detect the execstack attribute of the loaded library and attempt to fix the stack guard using Safepoint op.
Reviewed-by: dholmes, zgu
Contributed-by: ioi.lam@oracle.com

Reviewed-by: kvn, vlivanov

Summary: fix null pointer
Reviewed-by: kvn

Reviewed-by: dholmes, kvn, mikael, morris

Reviewed-by: jcoomes, ohair

8008559: [parfait] Path through non-void function '_ZN2os15thread_cpu_timeEP6Thread' returns an undefined value
Summary: safety checks for non-Apple thread time functions
Reviewed-by: kvn

Summary: Stop adding old regions to collection set when the remaining reclaimable bytes reaches, or goes below, G1HeapWastePercent. Changes were also reviewed by Vitaly Davidovich <vitalyd@gmail.com>.
Reviewed-by: brutisso

Reviewed-by: stefank, jmasa

Summary: Fix unitialized variable and return value.
Reviewed-by: kvn

Reviewed-by: jcoomes

Summary: Small changes to hotspot tests to remove  "-server" and replace with ${TESTVMOPTS}
Reviewed-by: kvn

Summary: Make deadlock detection a little more robust in the case of being unable to find the JavaThread associated with an object lock.
Reviewed-by: sla, acorn

Reviewed-by: poonam, sla