PVOID
MiMapPageInHyperSpace(
  IN  PFN_NUMBER PageFrameIndex,
  IN  PKIRQL OldIrql
  );

Routine Description:

    This routine returns the physical address of the page.

    ************************************
    *                                  *
    * Returns with a spin lock held!!! *
    *                                  *
    ************************************

Arguments:

    PageFrameIndex - Supplies the physical page number to map.

Return Value:

    Returns the address where the requested page was mapped.

    RETURNS WITH THE HYPERSPACE SPIN LOCK HELD!!!!

    The routine MiUnmapHyperSpaceMap MUST be called to release the lock!!!!

Environment:

    kernel mode.