2 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 3ca331728d21..e43e8ef70088 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -59,6 +59,7 @@
 
 int init_bootmem_done;
 int mem_init_done;
+unsigned long memory_limit;
 
 /*
  * This is called by /dev/mem to know if a given address has to
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index cb864b8f2750..4035cad8d7f1 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -20,6 +20,7 @@
 #include <asm/lmb.h>
 #include <asm/machdep.h>
 #include <asm/abs_addr.h>
+#include <asm/system.h>
 
 static int numa_enabled = 1;
 
@@ -300,7 +301,6 @@ static unsigned long __init numa_enforce_memory_limit(unsigned long start, unsig
          * we've already adjusted it for the limit and it takes care of
          * having memory holes below the limit.
          */
-        extern unsigned long memory_limit;
 
         if (! memory_limit)
                 return size;