diff --git a/[refs] b/[refs]
index 94f099687b2c..b094dc7b4126 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bcc8bcb1f0cc51c0042497d5de2d79743050e3bb
+refs/heads/master: c4972f33169e3e1ce06ad00917ddaf2c3b49b36a
diff --git a/trunk/arch/s390/kernel/setup.c b/trunk/arch/s390/kernel/setup.c
index a31abddf115b..2aa13e8e000a 100644
--- a/trunk/arch/s390/kernel/setup.c
+++ b/trunk/arch/s390/kernel/setup.c
@@ -450,7 +450,7 @@ setup_lowcore(void)
 		lc->extended_save_area_addr = (__u32)
 			__alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
 		/* enable extended save area */
-		ctl_set_bit(14, 29);
+		__ctl_set_bit(14, 29);
 	}
 #endif
 	set_prefix((u32)(unsigned long) lc);