GET_PFN_RANGE_FOR_NI

Section: Memory Management in Linux (9)
Updated: February 2011
Index Return to Main Contents
 

NAME

get_pfn_range_for_nid - Return the start and end page frames for a node  

SYNOPSIS

void __meminit get_pfn_range_for_nid(unsigned int nid, unsigned long * start_pfn, unsigned long * end_pfn);
 

ARGUMENTS

nid

The nid to return the range for. If MAX_NUMNODES, the min and max PFN are returned.

start_pfn

Passed by reference. On return, it will have the node start_pfn.

end_pfn

Passed by reference. On return, it will have the node end_pfn.
 

DESCRIPTION

It returns the start and end page frame of a node based on information provided by an arch calling add_active_range. If called for a node with no available memory, a warning is printed and the start and end PFNs will be 0.  

COPYRIGHT