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| author | Ingo Molnar <mingo@elte.hu> | 2007-08-09 11:16:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-08-09 11:16:52 +0200 |
| commit | a69edb55605117cc0f20aa36c49c20b96590774d (patch) | |
| tree | 7e06cd9abce45d450ae9ee365dab3901e7193c01 /kernel | |
| parent | 194081ebfaa8c7d16133e08dd79254910c20c6ff (diff) | |
| download | kernel_samsung_smdk4412-a69edb55605117cc0f20aa36c49c20b96590774d.zip kernel_samsung_smdk4412-a69edb55605117cc0f20aa36c49c20b96590774d.tar.gz kernel_samsung_smdk4412-a69edb55605117cc0f20aa36c49c20b96590774d.tar.bz2 | |
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched_fair.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index b885b3c..7a632c5 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); } } |