src/hotspot/os/bsd/gc/z/zPhysicalMemoryBacking_bsd.cpp

*** 70,86 ****
                                            VM_INHERIT_COPY);
  
    return (res == KERN_SUCCESS) ? ZErrno(0) : ZErrno(EINVAL);
  }
  
! ZPhysicalMemoryBacking::ZPhysicalMemoryBacking() :
      _base(0),
-     _size(0),
      _initialized(false) {
  
    // Reserve address space for backing memory
!   _base = (uintptr_t)os::reserve_memory(MaxHeapSize);
    if (_base == 0) {
      // Failed
      log_error(gc)("Failed to reserve address space for backing memory");
      return;
    }
--- 70,85 ----
                                            VM_INHERIT_COPY);
  
    return (res == KERN_SUCCESS) ? ZErrno(0) : ZErrno(EINVAL);
  }
  
! ZPhysicalMemoryBacking::ZPhysicalMemoryBacking(size_t max_capacity) :
      _base(0),
      _initialized(false) {
  
    // Reserve address space for backing memory
!   _base = (uintptr_t)os::reserve_memory(max_capacity);
    if (_base == 0) {
      // Failed
      log_error(gc)("Failed to reserve address space for backing memory");
      return;
    }
*** 95,108 ****
  
  void ZPhysicalMemoryBacking::warn_commit_limits(size_t max) const {
    // Does nothing
  }
  
- size_t ZPhysicalMemoryBacking::size() const {
-   return _size;
- }
- 
  bool ZPhysicalMemoryBacking::commit_inner(size_t offset, size_t length) {
    assert(is_aligned(offset, os::vm_page_size()), "Invalid offset");
    assert(is_aligned(length, os::vm_page_size()), "Invalid length");
  
    log_trace(gc, heap)("Committing memory: " SIZE_FORMAT "M-" SIZE_FORMAT "M (" SIZE_FORMAT "M)",
--- 94,103 ----
*** 114,129 ****
      ZErrno err;
      log_error(gc)("Failed to commit memory (%s)", err.to_string());
      return false;
    }
  
-   const size_t end = offset + length;
-   if (end > _size) {
-     // Record new size
-     _size = end;
-   }
- 
    // Success
    return true;
  }
  
  size_t ZPhysicalMemoryBacking::commit(size_t offset, size_t length) {
--- 109,118 ----