remove_active_range

Langue: en

Version: May 2009 (fedora - 06/07/09)

Section: 9 (Appels noyau Linux)

NAME

remove_active_range - Shrink an existing registered range of PFNs

SYNOPSIS

void remove_active_range(unsigned int nid, unsigned long start_pfn, unsigned long end_pfn);

ARGUMENTS

nid

The node id the range is on that should be shrunk

start_pfn

The new PFN of the range

end_pfn

The new PFN of the range

DESCRIPTION

i386 with NUMA use alloc_remap to store a node_mem_map on a local node. The map is kept near the end physical page range that has already been registered. This function allows an arch to shrink an existing registered range.