src/hotspot/share/services/mallocSiteTable.hpp

@@ -151,11 +151,11 @@
       }
     }
     // Acquire shared lock.
     // Return true if shared access is granted.
     inline bool sharedLock() {
-      jint res = Atomic::add(1, _lock);
+      jint res = Atomic::add(_lock, 1);
       if (res < 0) {
         Atomic::dec(_lock);
         return false;
       }
       _lock_state = SharedLock;