Re: [PATCH BUGFIX] pkt_sched: sch_qfq: remove a source of highpacket delay/jitter

[Joe Perches]

On Mon, 2013-07-15 at 20:01 +0200, Paolo Valente wrote:
> QFQ+ inherits from QFQ a design choice that may cause a high packet
> delay/jitter and a severe short-term unfairness.
[]
> diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
[]
> @@ -189,6 +188,7 @@ struct qfq_sched {
>  	struct qfq_aggregate	*in_serv_agg;   /* Aggregate being served. */
>  	u32			num_active_agg; /* Num. of active aggregates */
>  	u32			wsum;		/* weight sum */
> +	unsigned long		iwsum;		/* inverse weight sum*/

This is a different size for 32/64 bit compiles
and may be better as u32.

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