IN  PVOID Virtual

Routine Description:

    This function sets the corresponding bit on the bitmap table if a split 
    page condition within a native page is detected. 


   StartVirtual - the start address of the region of pages
        to be inspected. 

   EndVirtual - the end address of the region of the pages 
        to be inspected.

   Bitmap - Supplies a pointer to the alternate bitmap table.

   SetBit - if TRUE, set the bit on the bitmap table. Otherwise, the bit 
        is set when only when a split contidition is found.

Return Value: