--- old/src/share/vm/gc/parallel/psAdaptiveSizePolicy.cpp	2015-05-28 12:12:01.736484942 +0900
+++ new/src/share/vm/gc/parallel/psAdaptiveSizePolicy.cpp	2015-05-28 12:12:01.550152900 +0900
@@ -130,7 +130,7 @@
   // Update the pause time.
   _major_timer.stop();
 
-  if (gc_cause != GCCause::_java_lang_system_gc ||
+  if (!GCCause::is_user_requested_gc(gc_cause) ||
       UseAdaptiveSizePolicyWithSystemGC) {
     double major_pause_in_seconds = _major_timer.seconds();
     double major_pause_in_ms = major_pause_in_seconds * MILLIUNITS;