absent_pages_in_range (9) Linux Manual Page
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.