shrink_active_range(9)
NAME
shrink_active_range - Shrink an existing registered range of PFNs
SYNOPSIS
void __init shrink_active_range(unsigned int nid,
unsigned long old_end_pfn,
unsigned long new_end_pfn);
ARGUMENTS
- nid
- The node id the range is on that should be shrunk
- old_end_pfn
- The old end PFN of the range
- new_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 at the end physical page range that has already been
registered with add_active_range. This function allows an arch to
shrink an existing registered range.