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net: sched: pie: fix 64-bit division

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Use div_u64() to resolve build failures on 32-bit platforms.

Fixes: 3f7ae5f3dc ("net: sched: pie: add more cases to auto-tune alpha and beta")
Signed-off-by: Leslie Monis <lesliemonis@gmail.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Leslie Monis 2019-02-27 06:30:06 +05:30 committed by David S. Miller
parent 3b40bf4e24
commit ff8285f818
1 changed files with 1 additions and 1 deletions
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net/sched/sch_pie.c
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@ -429,7 +429,7 @@ static void calculate_probability(struct Qdisc *sch)
*/
if (qdelay == 0 && qdelay_old == 0 && update_prob)
q->vars.prob = (q->vars.prob * 98) / 100;
q->vars.prob = 98 * div_u64(q->vars.prob, 100);
q->vars.qdelay = qdelay;
q->vars.qlen_old = qlen;