sched: Remove NORMALIZED_SLEEPER

This feature hasn't been enabled in a long time, remove effectively dead code.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1268301447.6785.38.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 0 insertions, 17 deletions

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 0008cc4a1199..de98e2e9d6e1 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -742,16 +742,6 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
                 unsigned long thresh = sysctl_sched_latency;
 
                 /*
-                 * Convert the sleeper threshold into virtual time.
-                 * SCHED_IDLE is a special sub-class.  We care about
-                 * fairness only relative to other SCHED_IDLE tasks,
-                 * all of which have the same weight.
-                 */
-                if (sched_feat(NORMALIZED_SLEEPER) && (!entity_is_task(se) ||
-                                 task_of(se)->policy != SCHED_IDLE))
-                        thresh = calc_delta_fair(thresh, se);
-
-                /*
                  * Halve their sleep time's effect, to allow
                  * for a gentler effect of sleepers:
                  */
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index c545e048dfed..404288354aee 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -13,13 +13,6 @@ SCHED_FEAT(FAIR_SLEEPERS, 1)
 SCHED_FEAT(GENTLE_FAIR_SLEEPERS, 1)
 
 /*
- * By not normalizing the sleep time, heavy tasks get an effective
- * longer period, and lighter task an effective shorter period they
- * are considered running.
- */
-SCHED_FEAT(NORMALIZED_SLEEPER, 0)
-
-/*
  * Place new tasks ahead so that they do not starve already running
  * tasks
  */