Name
mtrr_del — 
     delete a memory type region
 
Synopsis
int mtrr_del ( | int reg,  | 
|   | unsigned long base,  | 
|   | unsigned long size); | 
 
Arguments
reg
     Register returned by mtrr_add
    
base
     Physical base address
    
size
     Size of region
    
Description
   If register is supplied then base and size are ignored. This is
   how drivers should call it.
   
   Releases an MTRR region. If the usage count drops to zero the
   register is freed and the region returns to default state.
   On success the register is returned, on failure a negative error
   code.