netdev - Re: [PATCH] htb: improved accuracy at high rates

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Date:	Sat, 20 Oct 2012 12:29:36 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Vimalkumar <j.vimal@...il.com>
Cc:	davem@...emloft.net, Jamal Hadi Salim <jhs@...atatu.com>,
	netdev@...r.kernel.org
Subject: Re: [PATCH] htb: improved accuracy at high rates

On Fri, 2012-10-19 at 15:26 -0700, Vimalkumar wrote:

> +	if (likely(next_event > q->now)) {
> +		if (!test_bit(__QDISC_STATE_DEACTIVATED,
> +			      &qdisc_root_sleeping(q->watchdog.qdisc)->state)) {
> +			ktime_t time = ktime_set(0, 0);
> +			qdisc_throttled(q->watchdog.qdisc);
> +			time = ktime_add_ns(time, next_event);
> +			hrtimer_start(&q->watchdog.timer, time,
> +				      HRTIMER_MODE_ABS);
> +		}
> +	} else 


could use ns_to_ktime() helper

+	if (likely(next_event > q->now)) {
> +		if (!test_bit(__QDISC_STATE_DEACTIVATED,
> +			      &qdisc_root_sleeping(q->watchdog.qdisc)->state)) {
> +			qdisc_throttled(q->watchdog.qdisc);
> +			hrtimer_start(&q->watchdog.timer, ns_to_ktime(next_event),
> +				      HRTIMER_MODE_ABS);
> +		}
> +	} else 

I'll post a patch to cleanup net/sched/sch_api.c & net/sched/sch_cbq.c



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