src/hotspot/share/gc/z/zObjectAllocator.cpp

*** 61,79 ****
  
  ZPage* ZObjectAllocator::alloc_page(uint8_t type, size_t size, ZAllocationFlags flags) {
    ZPage* const page = ZHeap::heap()->alloc_page(type, size, flags);
    if (page != NULL) {
      // Increment used bytes
!     Atomic::add(size, _used.addr());
    }
  
    return page;
  }
  
  void ZObjectAllocator::undo_alloc_page(ZPage* page) {
    // Increment undone bytes
!   Atomic::add(page->size(), _undone.addr());
  
    ZHeap::heap()->undo_alloc_page(page);
  }
  
  uintptr_t ZObjectAllocator::alloc_object_in_shared_page(ZPage** shared_page,
--- 61,79 ----
  
  ZPage* ZObjectAllocator::alloc_page(uint8_t type, size_t size, ZAllocationFlags flags) {
    ZPage* const page = ZHeap::heap()->alloc_page(type, size, flags);
    if (page != NULL) {
      // Increment used bytes
!     Atomic::add(_used.addr(), size);
    }
  
    return page;
  }
  
  void ZObjectAllocator::undo_alloc_page(ZPage* page) {
    // Increment undone bytes
!   Atomic::add(_undone.addr(), page->size());
  
    ZHeap::heap()->undo_alloc_page(page);
  }
  
  uintptr_t ZObjectAllocator::alloc_object_in_shared_page(ZPage** shared_page,
*** 95,105 ****
        // Allocate object before installing the new page
        addr = new_page->alloc_object(size);
  
      retry:
        // Install new page
!       ZPage* const prev_page = Atomic::cmpxchg(new_page, shared_page, page);
        if (prev_page != page) {
          if (prev_page == NULL) {
            // Previous page was retired, retry installing the new page
            page = prev_page;
            goto retry;
--- 95,105 ----
        // Allocate object before installing the new page
        addr = new_page->alloc_object(size);
  
      retry:
        // Install new page
!       ZPage* const prev_page = Atomic::cmpxchg(shared_page, page, new_page);
        if (prev_page != page) {
          if (prev_page == NULL) {
            // Previous page was retired, retry installing the new page
            page = prev_page;
            goto retry;