diff --git a/[refs] b/[refs]
index 01ef2269b0ec..803bccae34ee 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2bc0414ee04fd8bb798760801f5d7476dff44241
+refs/heads/master: 4d74dbd79a571b31f7cd2c69bb5e44368972bf93
diff --git a/trunk/arch/x86_64/mm/init.c b/trunk/arch/x86_64/mm/init.c
index 489e18df1fe9..63f192cd7c1c 100644
--- a/trunk/arch/x86_64/mm/init.c
+++ b/trunk/arch/x86_64/mm/init.c
@@ -306,8 +306,6 @@ void __init init_memory_mapping(unsigned long start, unsigned long end)
 	       table_end<<PAGE_SHIFT);
 }
 
-extern struct x8664_pda cpu_pda[NR_CPUS];
-
 void __cpuinit zap_low_mappings(int cpu)
 {
 	if (cpu == 0) {