--- old/src/hotspot/share/services/mallocSiteTable.cpp	2017-10-13 18:29:35.062353611 -0400
+++ new/src/hotspot/share/services/mallocSiteTable.cpp	2017-10-13 18:29:34.597169837 -0400
@@ -147,7 +147,7 @@
     if (entry == NULL) return NULL;
 
     // swap in the head
-    if (Atomic::cmpxchg_ptr((void*)entry, (volatile void *)&_table[index], NULL) == NULL) {
+    if (Atomic::cmpxchg(entry, &_table[index], (MallocSiteHashtableEntry*)NULL) == NULL) {
       return entry->data();
     }
 
@@ -257,3 +257,7 @@
   }
   _lock_state = ExclusiveLock;
 }
+
+bool MallocSiteHashtableEntry::atomic_insert(MallocSiteHashtableEntry* entry) {
+  return Atomic::cmpxchg(entry, &_next, (MallocSiteHashtableEntry*)NULL) == NULL;
+}