1 files changed, 11 insertions, 1 deletions

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 5621d61ebc07..eb2de8c10515 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -168,10 +168,20 @@ extern struct task_struct *__switch_to(struct task_struct *, struct thread_info
 
 #define switch_to(prev,next,last)                                       \
 do {                                                                    \
-        last = __switch_to(prev,prev->thread_info,next->thread_info);   \
+        last = __switch_to(prev,task_thread_info(prev), task_thread_info(next));        \
 } while (0)
 
 /*
+ * On SMP systems, when the scheduler does migration-cost autodetection,
+ * it needs a way to flush as much of the CPU's caches as possible.
+ *
+ * TODO: fill this in!
+ */
+static inline void sched_cacheflush(void)
+{
+}
+
+/*
  * CPU interrupt mask handling.
  */
 #if __LINUX_ARM_ARCH__ >= 6