diff -r f90c822e73f8 -r 2d8a650513c2 src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Wed Apr 27 01:25:04 2016 +0800
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Fri Apr 29 00:06:10 2016 +0800
@@ -22,6 +22,12 @@
  *
  */
 
+/*
+ * This file has been modified by Loongson Technology in 2015. These
+ * modifications are Copyright (c) 2015 Loongson Technology, and are made
+ * available on the same license terms set forth above.
+ */
+
 #include "precompiled.hpp"
 #include "classfile/symbolTable.hpp"
 #include "classfile/systemDictionary.hpp"
@@ -2099,7 +2105,11 @@
     // Let the size policy know we're done
     size_policy->major_collection_end(old_gen->used_in_bytes(), gc_cause);
 
-    if (UseAdaptiveSizePolicy) {
+    /* 2014/2/12/ Liao: In UseOldNUMA, the size of old-gen should not be changed as the young-gen,
+     * when minorGC happens, the eden size will be emptied, so we can change the size of the eden
+     * size and then bind to each NUMA group, but in fullGC, the old-gen should not be emptied, so
+     * we let the old-gen should not be changed here. */
+    if (UseAdaptiveSizePolicy && !UseOldNUMA) {
       if (PrintAdaptiveSizePolicy) {
         gclog_or_tty->print("AdaptiveSizeStart: ");
         gclog_or_tty->stamp();