--- old/src/share/vm/gc/cms/parNewGeneration.cpp	2015-08-17 17:07:17.309839200 +0200
+++ new/src/share/vm/gc/cms/parNewGeneration.cpp	2015-08-17 17:07:17.230836835 +0200
@@ -248,8 +248,7 @@
         }
       }
       if (buf_space != NULL) {
-        plab->set_word_size(buf_size);
-        plab->set_buf(buf_space);
+        plab->set_buf(buf_space, buf_size);
         record_survivor_plab(buf_space, buf_size);
         obj = plab->allocate_aligned(word_sz, SurvivorAlignmentInBytes);
         // Note that we cannot compare buf_size < word_sz below