src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp

@@ -221,11 +221,11 @@
     // Stale ticket, no need to unpace.
     return;
   }
 
   intptr_t tax = MAX2<intptr_t>(1, words * Atomic::load(&_tax_rate));
-  Atomic::add(tax, &_budget);
+  Atomic::add(&_budget, tax);
 }
 
 intptr_t ShenandoahPacer::epoch() {
   return Atomic::load(&_epoch);
 }