message: global_heap: remove prefetch for getMiniheap
diff: @@ -177,7 +177,6 @@ public:
  inline MiniHeap *miniheapForLocked(const void *ptr) const {
  auto mh = reinterpret_cast<MiniHeap *>(Super::lookupMiniheap(ptr));
  - __builtin_prefetch(mh, 1, 2);
  return mh;
  }
  