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GET_PFN_RANGE_FOR_NI(9) Memory Management in Linux GET_PFN_RANGE_FOR_NI(9)

NAME

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

SYNOPSIS

void 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 memblock_set_node. If called for a node with no available memory, a warning is printed and the start and end PFNs will be 0.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.