#ifdef CONFIG_DISCONTIGMEM
-#define NODES_SHIFT 4 /* Up to 16 nodes */
-
/*
* Given a kernel address, find the home node of the underlying memory.
*/
(((pfn) - PHYS_PFN_OFFSET) >> (26 - PAGE_SHIFT))
#endif
-/*
- * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory
- * and return the mem_map of that node.
- */
-# define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr))
-
-/*
- * Given a page frame number, find the owning node of the memory
- * and return the mem_map of that node.
- */
-# define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn))
-
/*
* Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory
* and returns the index corresponding to the appropriate page in the