diff --git a/[refs] b/[refs]
index 457d5b1ee49d..bce70e1768d2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 47a460d5a307e639d6c9cdf9bb4857e2f5f3cb76
+refs/heads/master: 4ef7229ffa93695e346d510b871452811509ea65
diff --git a/trunk/include/linux/reboot.h b/trunk/include/linux/reboot.h
index 85ea63f462af..b93b541cf111 100644
--- a/trunk/include/linux/reboot.h
+++ b/trunk/include/linux/reboot.h
@@ -59,8 +59,6 @@ extern void machine_crash_shutdown(struct pt_regs *);
  * Architecture independent implemenations of sys_reboot commands.
  */
 
-extern void kernel_shutdown_prepare(enum system_states state);
-
 extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
diff --git a/trunk/kernel/sys.c b/trunk/kernel/sys.c
index 4162d12390b6..53de35fc8245 100644
--- a/trunk/kernel/sys.c
+++ b/trunk/kernel/sys.c
@@ -315,7 +315,7 @@ static void kernel_kexec(void)
 #endif
 }
 
-void kernel_shutdown_prepare(enum system_states state)
+static void kernel_shutdown_prepare(enum system_states state)
 {
 	blocking_notifier_call_chain(&reboot_notifier_list,
 		(state == SYSTEM_HALT)?SYS_HALT:SYS_POWER_OFF, NULL);