sched: add vslice

add vslice: the load-dependent "virtual slice" a task should
run ideally, so that the observed latency stays within the
sched_latency window.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2c33227b0f8..d74830cc51e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -908,6 +908,7 @@ struct sched_entity {
 	u64			sum_exec_runtime;
 	u64			vruntime;
 	u64			prev_sum_exec_runtime;
+	u64			last_min_vruntime;
 
 #ifdef CONFIG_SCHEDSTATS
 	u64			wait_start;