src/os/windows/vm/os_windows.cpp

*** 683,698 ****
  
  julong os::physical_memory() {
    return win32::physical_memory();
  }
  
! julong os::allocatable_physical_memory(julong size) {
  #ifdef _LP64
!   return size;
  #else
    // Limit to 1400m because of the 2gb address space wall
!   return MIN2(size, (julong)1400*M);
  #endif
  }
  
  // VC6 lacks DWORD_PTR
  #if _MSC_VER < 1300
--- 683,703 ----
  
  julong os::physical_memory() {
    return win32::physical_memory();
  }
  
! bool os::has_allocatable_memory_limit(julong& limit) {
!   MEMORYSTATUSEX ms;
!   ms.dwLength = sizeof(ms);
!   GlobalMemoryStatusEx(&ms);
  #ifdef _LP64
!   limit = (julong)ms.ullAvailVirtual;
!   return true;
  #else
    // Limit to 1400m because of the 2gb address space wall
!   limit = MIN2((julong)1400*M, (julong)ms.ullAvailVirtual);
!   return true;
  #endif
  }
  
  // VC6 lacks DWORD_PTR
  #if _MSC_VER < 1300