--- old/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	2015-05-13 11:19:32.761301927 -0400
+++ new/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	2015-05-13 11:19:32.673298209 -0400
@@ -619,7 +619,7 @@
   // Support for parallelizing survivor space rescan
   if ((CMSParallelRemarkEnabled && CMSParallelSurvivorRemarkEnabled) || CMSParallelInitialMarkEnabled) {
     const size_t max_plab_samples =
-      ((DefNewGeneration*)_young_gen)->max_survivor_size() / plab_sample_minimum_size();
+      ((DefNewGeneration*)_young_gen)->max_survivor_size() / YoungPLABSize;
 
     _survivor_plab_array  = NEW_C_HEAP_ARRAY(ChunkArray, ParallelGCThreads, mtGC);
     _survivor_chunk_array = NEW_C_HEAP_ARRAY(HeapWord*, 2*max_plab_samples, mtGC);
@@ -640,12 +640,6 @@
   _inter_sweep_timer.start();  // start of time
 }
 
-size_t CMSCollector::plab_sample_minimum_size() {
-  // The default value of MinTLABSize is 2k, but there is
-  // no way to get the default value if the flag has been overridden.
-  return MAX2(ThreadLocalAllocBuffer::min_size() * HeapWordSize, 2 * K);
-}
-
 const char* ConcurrentMarkSweepGeneration::name() const {
   return "concurrent mark-sweep generation";
 }