1 files changed, 2 insertions, 2 deletions

diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 5a863a3bf10c..d125a4ead08d 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1066,7 +1066,7 @@ static void do_reset_calls(void)
                 reset->fn();
 }
 
-extern __u32 dump_prefix_page;
+u32 dump_prefix_page;
 
 void s390_reset_system(void)
 {
@@ -1078,7 +1078,7 @@ void s390_reset_system(void)
         lc->panic_stack = S390_lowcore.panic_stack;
 
         /* Save prefix page address for dump case */
-        dump_prefix_page = (unsigned long) lc;
+        dump_prefix_page = (u32)(unsigned long) lc;
 
         /* Disable prefixing */
         set_prefix(0);