diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 1efd631211ef3772532430129176286bb182fbbc..dc704da363eb77897d392781591bf87ac337a8dd 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -18,6 +18,7 @@
 #include <linux/cpu.h>
 #include <linux/notifier.h>
 #include <linux/lmb.h>
+#include <linux/of.h>
 #include <asm/sparsemem.h>
 #include <asm/prom.h>
 #include <asm/system.h>