1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index c00bfdbdd456..1a7bf39f72dc 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -20,6 +20,8 @@
 struct task_struct; /* one of the stranger aspects of C forward declarations */
 struct task_struct *__switch_to(struct task_struct *prev,
                                 struct task_struct *next);
+void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
+                      struct tss_struct *tss);
 
 #ifdef CONFIG_X86_32