8005602: NPG: classunloading does not happen while CMS GC with -XX:+CMSClassUnloadingEnabled is used
Summary: Call purge() on CLDG after sweep(), reorder purge() call in GenCollectedHeap
Reviewed-by: jmasa, stefank

Reviewed-by: johnc

Summary: Print the concurrent phase start markers for CMS when PrintGCDetails is enabled, not only if both PrintGCDetails and PrintGCTimeStamps are.
Reviewed-by: mgerdin, jmasa

Summary: Take the initial heap size into account when checking the heap size for compressed oops
Reviewed-by: jmasa, kvn, hseigel, ctornqvi

Summary: Don't scan pages outside the given range.
Reviewed-by: jwilhelm, jmasa

8009282: Assertion "assert(used_and_free == capacity_bytes) failed: Accounting is wrong" failed with -XX:+Verbose -XX:+TraceMetadataChunkAllocation
Summary: Assertion is only valid when at a safepoint, adjust accordingly.
Reviewed-by: stefank, jmasa, tamao

8009723: CMS logs "concurrent mode failure" twice when using (disabling) -XX:-UseCMSCompactAtFullCollection
Reviewed-by: jwilhelm, ehelin, brutisso

Reviewed-by: jcoomes

Summary: Deprecate MaxGCMinorPauseMillis and emit a warning if set by users
Reviewed-by: brutisso, johnc
Contributed-by: Ntamao <tao.mao@oracle.com>

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

Summary: Update the task local finger to the start of the next object when marking aborts, in order to avoid the redundant scanning of all 0's when the marking task restarts, if otherwise updating to the next word. In addition, reuse the routine nextObject() in routine iterate().
Reviewed-by: johnc, ysr
Contributed-by: Ntamao <tao.mao@oracle.com>

Reviewed-by: kvn, vlivanov

Summary: fix null pointer
Reviewed-by: kvn

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