1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0dd42a02df2e..418fc6d8a4da 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1095,6 +1095,16 @@ struct load_weight {
         unsigned long weight, inv_weight;
 };
 
+struct sched_avg {
+        /*
+         * These sums represent an infinite geometric series and so are bound
+         * above by 1024/(1-y).  Thus we only need a u32 to store them for for all
+         * choices of y < 1-2^(-32)*1024.
+         */
+        u32 runnable_avg_sum, runnable_avg_period;
+        u64 last_runnable_update;
+};
+
 #ifdef CONFIG_SCHEDSTATS
 struct sched_statistics {
         u64                     wait_start;
@@ -1155,6 +1165,9 @@ struct sched_entity {
         /* rq "owned" by this entity/group: */
         struct cfs_rq           *my_q;
 #endif
+#ifdef CONFIG_SMP
+        struct sched_avg        avg;
+#endif
 };
 
 struct sched_rt_entity {