| DiscardVirtualMemory(IntPtr, IntPtr) | Discards the memory contents of a range of memory pages, without decommitting the memory. The contents of discarded memory is undefined and must be rewritten by the application. |
| DiscardVirtualMemory(IntPtr, UInt32) | Discards the memory contents of a range of memory pages, without decommitting the memory. The contents of discarded memory is undefined and must be rewritten by the application. |