Name
absent_pages_in_range — 
     Return number of page frames in holes within a range
 
Synopsis
| unsigned long absent_pages_in_range ( | unsigned long start_pfn, | 
|  | unsigned long end_pfn ); | 
 
Arguments
- start_pfn
- 
     The start PFN to start searching for holes
     
- end_pfn
- 
     The end PFN to stop searching for holes
     
Description
   It returns the number of pages frames in memory holes within a range.