diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h
index 2ef43dac6c283ef7df8c4de241970c524e550893..b40c661f111e32b58f2c07bdd081a89fa4aa4b40 100644
--- a/include/asm-x86_64/mmzone.h
+++ b/include/asm-x86_64/mmzone.h
@@ -12,7 +12,7 @@
 
 #include <asm/smp.h>
 
-#define NODEMAPSIZE 0xff
+#define NODEMAPSIZE 0xfff
 
 /* Simple perfect hash to map physical addresses to node numbers */
 extern int memnode_shift;