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authorIngo Molnar <mingo@elte.hu>2007-08-09 11:16:52 +0200
committerIngo Molnar <mingo@elte.hu>2007-08-09 11:16:52 +0200
commita69edb55605117cc0f20aa36c49c20b96590774d (patch)
tree7e06cd9abce45d450ae9ee365dab3901e7193c01
parentsched: round a bit better (diff)
downloadlinux-a69edb55605117cc0f20aa36c49c20b96590774d.tar.xz
linux-a69edb55605117cc0f20aa36c49c20b96590774d.zip
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>
-rw-r--r--kernel/sched_fair.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index b885b3c85bba..7a632c534ce5 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);
}
}