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sched: fix sign check error in place_entity()

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fix sign check error in place_entity() - we'd get excessive
latencies due to negatives being converted to large u64's.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
This commit is contained in:
Ingo Molnar
2007-10-15 17:00:11 +02:00
parent 94359f05cb
commit b8487b9241
1 changed files with 1 additions and 1 deletions
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kernel/sched_fair.c
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@@ -483,7 +483,7 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
if (sched_feat(NEW_FAIR_SLEEPERS)) if (sched_feat(NEW_FAIR_SLEEPERS))
vruntime -= sysctl_sched_latency; vruntime -= sysctl_sched_latency;
vruntime = max(vruntime, se->vruntime); vruntime = max_t(s64, vruntime, se->vruntime);
} }
se->vruntime = vruntime; se->vruntime = vruntime;