centos man page for absent_pages_in_range

ABSENT_PAGES_IN_RANG(9) 				    Memory Management in Linux					   ABSENT_PAGES_IN_RANG(9)

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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   ABSENT_PAGES_IN_RANG(9)