1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a31abddf115b..2aa13e8e000a 100644
--- a/arch/s390/kernel/setup.c
+++ b/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);