-extern pg_data_t discontig_page_data[MAX_NUMNODES];
-extern bootmem_data_t discontig_node_bdata[MAX_NUMNODES];
-
-/*
- * Following are macros that each numa implmentation must define.
- */
-
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define KVADDR_TO_NID(kaddr) PHYSADDR_TO_NID(__pa(kaddr))