diff --git a/src/vppinfra/mem.h b/src/vppinfra/mem.h
index 0367c4a..f35c495 100644
--- a/src/vppinfra/mem.h
+++ b/src/vppinfra/mem.h
@@ -455,6 +455,7 @@
   int fd;		/**< File descriptor to be mapped */
   uword requested_va;	/**< Request fixed position mapping */
   void *addr;		/**< Pointer to mapped memory, if successful */
+  u8 numa_node;
 } clib_mem_vm_map_t;
 
 clib_error_t *clib_mem_vm_ext_map (clib_mem_vm_map_t * a);