absent_pages_in_rang(9)
NAME
absent_pages_in_range - Return number of page frames in holes within a
range
SYNOPSIS
unsigned long __init 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.