[MSDN Library June 1998] _PageFree (45.0194440902716%)
MSDN Library Visual Studio 6.0 > DDK Documentation > Windows 95 Device Driver Kit > Kernel Services Guide > Memory Allocation > Reference
[MSDN Library April 2000] _PageFree (43.2901950784139%)
MSDN Library - April 2000 > DDK Documentation > Windows 95 DDK > Windows 95 Documentation > Kernel Services Guide > Virtual Machine Manager (VMM) > Chapter 7. Memory Allocation > Sparse Memory Allocation Services