tonyp [Tue, 21 Jun 2011 15:23:07 -0400] rev 10000
7046182: G1: remove unnecessary iterations over the collection set
Summary: Remove two unnecessary iterations over the collection set which are supposed to prepare the RSet's of the CSet regions for parallel iterations (we'll make sure this is done incrementally). I'll piggyback on this CR the removal of the G1_REM_SET_LOGGING code.
Reviewed-by: brutisso, johnc
tonyp [Mon, 20 Jun 2011 22:03:13 -0400] rev 9999
7055073: G1: code cleanup in the concurrentMark.* files
Summary: Only cosmetic changes to make the concurrentMark.* more consistent, code-style-wise, with the rest of the codebase.
Reviewed-by: johnc, ysr
ysr [Mon, 20 Jun 2011 09:42:26 -0700] rev 9998
6916968: CMS: freeList.cpp:304 assert(_allocation_stats.prevSweep() + ..., "Conservation Principle")
Summary: Fix assert and adjust demand volume computation by adding missing factor.
Reviewed-by: jmasa, tonyp
tonyp [Thu, 16 Jun 2011 15:51:57 -0400] rev 9997
6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap
Summary: Remove two unused parameters from the mem_allocate() method and update its uses accordingly.
Reviewed-by: stefank, johnc
johnc [Wed, 15 Jun 2011 10:18:04 -0700] rev 9996
7045751: G1: +ExplicitGCInvokesConcurrent causes excessive single region evacuation pauses
Summary: When ExplicitGCInvokesConcurrent is enabled, do not perform an evacuation pause if a marking cycle is already in progress and block the requesting thread until the marking cycle completes.
Reviewed-by: tonyp, ysr
johnc [Tue, 14 Jun 2011 11:01:10 -0700] rev 9995
7004681: G1: Extend marking verification to Full GCs
Summary: Perform a heap verification after the first phase of G1's full GC using objects' mark words to determine liveness. The third parameter of the heap verification routines, which was used in G1 to determine which marking bitmap to use in liveness calculations, has been changed from a boolean to an enum with values defined for using the mark word, and the 'prev' and 'next' bitmaps.
Reviewed-by: tonyp, ysr
tonyp [Tue, 14 Jun 2011 10:33:43 -0400] rev 9994
7046558: G1: concurrent marking optimizations
Summary: Some optimizations to improve the concurrent marking phase: specialize the main oop closure, make sure a few methods in the fast path are properly inlined, a few more bits and pieces, and some cosmetic fixes.
Reviewed-by: stefank, johnc
brutisso [Mon, 13 Jun 2011 13:48:18 +0200] rev 9993
6918185: Remove unused code for lost card-marking optimization in BacktraceBuilder
Summary: Removed dead code
Reviewed-by: ysr, coleenp, dholmes
ysr [Mon, 13 Jun 2011 09:58:16 -0700] rev 9992
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
Summary: It turns out that there is no need to explicitly stop CMS since the JVM is taken down at a terminal safepoint during which CMS threads are (terminally) inactive. This will need to be revised if and when we evolve in the future to a point where we allow JVM reincarnation in the same process, but those changes will be much more sweeping than just terminating CMS threads. The unused ::stop() methods will be removed in a separate CR. Also include in this CR is the fix for a small typo in the spelling of UseGCLogFileRotation in a message in arguments.cpp, brought to our attention by Rainer Jung and reviewed by minqi.
Reviewed-by: johnc, jwilhelm
minqi [Fri, 10 Jun 2011 15:44:02 -0700] rev 9991
Merge