1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index a95d84d0da95..f59318a0099b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1882,9 +1882,13 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
 extern char *get_task_comm(char *to, struct task_struct *tsk);
 
 #ifdef CONFIG_SMP
-extern void wait_task_inactive(struct task_struct * p);
+extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
 #else
-#define wait_task_inactive(p)   do { } while (0)
+static inline unsigned long wait_task_inactive(struct task_struct *p,
+                                               long match_state)
+{
+        return 1;
+}
 #endif
 
 #define next_task(p)    list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)