diff --git a/[refs] b/[refs]
index 7db499d8ab5a..53ab8cd6c2c8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a46c9047642d70f5619e4a14129d74dd1f6ea74f
+refs/heads/master: efb0372bbaf5b829ff8c39db372779928af542a7
diff --git a/trunk/arch/um/kernel/tt/process_kern.c b/trunk/arch/um/kernel/tt/process_kern.c
index 0de05a268b22..cfaa373a6e77 100644
--- a/trunk/arch/um/kernel/tt/process_kern.c
+++ b/trunk/arch/um/kernel/tt/process_kern.c
@@ -23,10 +23,11 @@
 #include "mem_user.h"
 #include "tlb.h"
 #include "mode.h"
+#include "mode_kern.h"
 #include "init.h"
 #include "tt.h"
 
-int switch_to_tt(void *prev, void *next, void *last)
+void switch_to_tt(void *prev, void *next)
 {
 	struct task_struct *from, *to, *prev_sched;
 	unsigned long flags;