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Message-ID: <20110407124332.GA31809@sli10-conroe.sh.intel.com> Date: Thu, 7 Apr 2011 20:43:32 +0800 From: Shaohua Li <shaohua.li@...el.com> To: linux-kernel@...r.kernel.org Cc: mingo@...e.hu, zheng.z.yan@...el.com Subject: [PATCH]sched: convert wall-time to vruntime for check_preempt_tick In check_preempt_tick(), delta is vruntime and ideal_runtime is wall runtime. Comparing vruntime and ideal_runtime looks buggy. Signed-off-by: Shaohua Li <shaohua.li@...el.com> diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 3f7ec9e..0b76e3a 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1121,7 +1121,7 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) if (delta < 0) return; - if (delta > ideal_runtime) + if (delta > calc_delta_fair(ideal_runtime, curr)) resched_task(rq_of(cfs_rq)->curr); } } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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