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authorIngo Molnar <mingo@elte.hu>2007-10-15 17:00:05 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:05 +0200
commit28a1f6fa2f7ecec7e5da28b03a24abbecbd2e864 (patch)
tree8129969f8a7ba69acf12f84cefcd1d633bd7ce7a
parent67e12eac328b276dca7e61640632ed996ff1a93a (diff)
sched: remove SCHED_FEAT_SKIP_INITIAL
remove SCHED_FEAT_SKIP_INITIAL - it was off by default and even when enabled it never made any real difference. Signed-off-by: Ingo Molnar <mingo@elte.hu> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--kernel/sched.c4
-rw-r--r--kernel/sched_fair.c7
2 files changed, 1 insertions, 10 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 5594e65166f..bf85b4b281c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -399,7 +399,6 @@ enum {
SCHED_FEAT_SLEEPER_AVG = 4,
SCHED_FEAT_SLEEPER_LOAD_AVG = 8,
SCHED_FEAT_START_DEBIT = 16,
- SCHED_FEAT_SKIP_INITIAL = 32,
};
const_debug unsigned int sysctl_sched_features =
@@ -407,8 +406,7 @@ const_debug unsigned int sysctl_sched_features =
SCHED_FEAT_NEW_FAIR_SLEEPERS *1 |
SCHED_FEAT_SLEEPER_AVG *0 |
SCHED_FEAT_SLEEPER_LOAD_AVG *1 |
- SCHED_FEAT_START_DEBIT *1 |
- SCHED_FEAT_SKIP_INITIAL *0;
+ SCHED_FEAT_START_DEBIT *1;
#define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index cc447fbff51..c8c6b056139 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1064,13 +1064,6 @@ static void task_new_fair(struct rq *rq, struct task_struct *p)
place_entity(cfs_rq, se, 1);
/*
- * The first wait is dominated by the child-runs-first logic,
- * so do not credit it with that waiting time yet:
- */
- if (sched_feat(SKIP_INITIAL))
- se->wait_start_fair = 0;
-
- /*
* The statistical average of wait_runtime is about
* -granularity/2, so initialize the task with that:
*/