Summary: Change the flags and variables related to tenuring threshold to be unsigned
Reviewed-by: jmasa, johnc

Summary: Added missed _bottom_type set in ArchDesc::defineExpand() and missed vector nodes in MatchRule::is_vector().
Reviewed-by: twisti, roland, dlong

Summary: Simple renaming to be consistent with instanceKlass->InstanceKlass renaming
Reviewed-by: stefank, jmasa

Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: Njmasa &lt;jon.masamitsu@oracle.com&gt;, stefank &lt;stefan.karlsson@oracle.com&gt;, mgerdin &lt;mikael.gerdin@oracle.com&gt;, never <tom.rodriguez@oracle.com>

Summary: Added capability to load support classes for other cpus
Reviewed-by: coleenp, bobv, sla
Contributed-by: NBill Pittore <bill.pittore@oracle.com>

6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: NJohn Rose &lt;john.r.rose@oracle.com&gt;, Christian Thalinger &lt;christian.thalinger@oracle.com&gt;, Michael Haupt <michael.haupt@oracle.com>

Reviewed-by: sspitsyn, dholmes, coleenp, kamg

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

Summary: Change constMethodOop::_exception_table to optionally inlined u2 table.
Reviewed-by: bdelsart, coleenp, kamg

Summary: Increase vector size up to 256-bits for YMM AVX registers on x86.
Reviewed-by: never, twisti, roland

Reviewed-by: kvn, twisti
Contributed-by: NKrystal Mok <sajia@taobao.com>

Summary: Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.
Reviewed-by: roland, bdelsart, kamg

7168280: Eliminate the generic signature index slot from field array for field without generic signature.
Summary: Only allocate the generic signature index slot in the field array for field with generic signature attribute.
Reviewed-by: coleenp, dlong

Summary: Make the FreeChunk, FreeList, TreeList, and BinaryTreeDictionary classes usable outside CMS.
Reviewed-by: brutisso, johnc, jwilhelm
Contributed-by: coleen.phillimore@oracle.com

Reviewed-by: kvn

7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
Summary: Change implementor to embedded instanceKlass field.
Reviewed-by: sspitsyn, minqi, coleenp

Summary: 7u4 new experimental flag -XX:PredictedClassLoadedCount=#
Reviewed-by: dholmes, phh, dcubed

Summary: Change InstanceKlass::_reference_type to u1 type.
Reviewed-by: dholmes, coleenp, acorn
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Reviewed-by: phh, bobv, coleenp, dcubed
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type.
Summary: Change instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count to u2 type.
Reviewed-by: never, bdelsart, dholmes
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Change instanceKlass::_init_state field to u1 type.
Reviewed-by: bdelsart, coleenp, dholmes, phh, never
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

Summary: Reduce class runtime memory usage by packing 4 instanceKlass boolean fields into single u1 field. Save 4-byte for each loaded class.
Reviewed-by: dholmes, bobv, phh, twisti, never, coleenp
Contributed-by: NJiangli Zhou <jiangli.zhou@oracle.com>

7092278: "jmap -finalizerinfo" throws "sun.jvm.hotspot.utilities.AssertionFailure: invalid cp index 0 137"
Reviewed-by: kvn

Reviewed-by: kvn, twisti, jrose
Contributed-by: NKurt Miller &lt;kurt@intricatesoftware.com&gt;, Greg Lewis &lt;glewis@eyesbeyond.com&gt;, Jung-uk Kim &lt;jkim@freebsd.org&gt;, Christos Zoulas &lt;christos@zoulas.com&gt;, Landon Fuller &lt;landonf@plausible.coop&gt;, The FreeBSD Foundation &lt;board@freebsdfoundation.org&gt;, Michael Franz &lt;mvfranz@gmail.com&gt;, Roger Hoover &lt;rhoover@apple.com&gt;, Alexander Strange <astrange@apple.com>

Reviewed-by: kvn, twisti

Summary: Extend the SA to recognize the G1CollectedHeap and implement any code that's needed by our serviceability tools (jmap, jinfo, jstack, etc.) that depend on the SA.
Reviewed-by: never, poonam, johnc

Reviewed-by: kvn

Reviewed-by: jrose, twisti, kvn, coleenp

Reviewed-by: kvn

Reviewed-by: jrose, twisti
Contributed-by: NXerxes Ranby <xerxes@zafena.se>

Reviewed-by: jrose

7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
Reviewed-by: kvn, dcubed

Summary: only clear the interrupt state if we will report that it was set
Reviewed-by: dcubed, alanb, phh, coleenp, dice

Reviewed-by: never, phh, stefank, kamg, dholmes, coleenp

Reviewed-by: kvn, coleenp, twisti, stefank

6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
Summary: Defer posting events from the compiler thread: use service thread
Reviewed-by: coleenp, dholmes, never, dcubed

Reviewed-by: dholmes, bdelsart

Reviewed-by: kvn, never

Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank

Summary: Move _lower_dimension field initialization before _higher_dimension and add storestore barrier.
Reviewed-by: dholmes, iveresov, never