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shrink_active_range
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
shrink_active_range - Shrink an existing registered range of PFNsSYNOPSIS
- 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.
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