--- old/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	2014-06-18 08:47:16.227242766 +0200
+++ new/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	2014-06-18 08:47:16.123244295 +0200
@@ -2659,7 +2659,7 @@
   if (ResizeOldPLAB && CMSOldPLABResizeQuicker) {
     size_t multiple = _num_blocks[word_sz]/(CMSOldPLABToleranceFactor*CMSOldPLABNumRefills*n_blks);
     n_blks +=  CMSOldPLABReactivityFactor*multiple*n_blks;
-    n_blks = MIN2(n_blks, CMSOldPLABMax);
+    n_blks = MIN2(n_blks, (size_t)CMSOldPLABMax);
   }
   assert(n_blks > 0, "Error");
   _cfls->par_get_chunk_of_blocks(word_sz, n_blks, fl);