}
 
 /* register memory section under specified node if it spans that node */
-int register_mem_sect_under_node(struct memory_block *mem_blk, void *arg)
+static int register_mem_sect_under_node(struct memory_block *mem_blk,
+                                        void *arg)
 {
        int ret, nid = *(int *)arg;
        unsigned long pfn, sect_start_pfn, sect_end_pfn;
 
 extern void unregister_one_node(int nid);
 extern int register_cpu_under_node(unsigned int cpu, unsigned int nid);
 extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid);
-extern int register_mem_sect_under_node(struct memory_block *mem_blk,
-                                               void *arg);
 extern void unregister_memory_block_under_nodes(struct memory_block *mem_blk);
 
 extern int register_memory_node_under_compute_node(unsigned int mem_nid,
 {
        return 0;
 }
-static inline int register_mem_sect_under_node(struct memory_block *mem_blk,
-                                                       void *arg)
-{
-       return 0;
-}
 static inline void unregister_memory_block_under_nodes(struct memory_block *mem_blk)
 {
 }