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.