1 files changed, 13 insertions, 2 deletions

diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 864cae7e1fd6..b2e65e8bf812 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -104,14 +104,25 @@ static inline void restore_access_regs(unsigned int *acrs)
         prev = __switch_to(prev,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)
+{
+}
+
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
-extern void account_user_vtime(struct task_struct *);
+extern void account_vtime(struct task_struct *);
+extern void account_tick_vtime(struct task_struct *);
 extern void account_system_vtime(struct task_struct *);
 #endif
 
 #define finish_arch_switch(prev) do {                                        \
         set_fs(current->thread.mm_segment);                                  \
-        account_system_vtime(prev);                                          \
+        account_vtime(prev);                                                 \
 } while (0)
 
 #define nop() __asm__ __volatile__ ("nop")