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authorIngo Molnar <mingo@elte.hu>2007-08-24 20:39:10 +0200
committerIngo Molnar <mingo@elte.hu>2007-08-24 20:39:10 +0200
commit095e56c7036fe97bc3ebcd80ed6e121be0847656 (patch)
treef911a303a427ca6286dd61a2f2f82b92fc3daa28 /kernel
parentea0aa3b23a193d1fc5c982286edecd071af67d94 (diff)
downloadlinux-linaro-095e56c7036fe97bc3ebcd80ed6e121be0847656.tar.gz
sched: fix startup penalty calculation
fix task startup penalty miscalculation: sysctl_sched_granularity is unsigned int and wait_runtime is long so we first have to convert it to long before turning it negative ... Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_fair.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c078f1af721..4d6b7e2df2a 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1047,7 +1047,7 @@ static void task_new_fair(struct rq *rq, struct task_struct *p)
* -granularity/2, so initialize the task with that:
*/
if (sysctl_sched_features & SCHED_FEAT_START_DEBIT)
- p->se.wait_runtime = -(sysctl_sched_granularity / 2);
+ p->se.wait_runtime = -((long)sysctl_sched_granularity / 2);
__enqueue_entity(cfs_rq, se);
}