1 files changed, 10 insertions, 0 deletions

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 5621d61ebc07..0497171df8c9 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -172,6 +172,16 @@ do {									\
 } 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