1 files changed, 14 insertions, 0 deletions

diff --git a/arch/alpha/include/asm/switch_to.h b/arch/alpha/include/asm/switch_to.h
new file mode 100644
index 000000000000..44c0d4f2c0b2
--- /dev/null
+++ b/arch/alpha/include/asm/switch_to.h
@@ -0,0 +1,14 @@
+#ifndef __ALPHA_SWITCH_TO_H
+#define __ALPHA_SWITCH_TO_H
+
+
+struct task_struct;
+extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct *);
+
+#define switch_to(P,N,L)                                                 \
+  do {                                                                   \
+    (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \
+    check_mmu_context();                                                 \
+  } while (0)
+
+#endif /* __ALPHA_SWITCH_TO_H */