From a69edb55605117cc0f20aa36c49c20b96590774d Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 9 Aug 2007 11:16:52 +0200
Subject: [PATCH] sched: fix update_stats_enqueue() reniced codepath
the key has to be rescaled to /weight even if it has a positive value.
(this change only affects the scheduling of reniced tasks)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/sched_fair.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index b885b3c85bbad..7a632c534ce5d 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -405,7 +405,8 @@ static void update_stats_enqueue(struct cfs_rq *cfs_rq, struct sched_entity *se)
(WMULT_SHIFT - NICE_0_SHIFT);
} else {
tmp = se->wait_runtime;
- key -= (tmp * se->load.weight) >> NICE_0_SHIFT;
+ key -= (tmp * se->load.inv_weight) >>
+ (WMULT_SHIFT - NICE_0_SHIFT);
}
}
--
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