netdev - Re: [PATCH net-next v2 5/7] net: sched: pie: add more cases to auto-tune alpha and beta

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Message-Id: <20190225.094038.1156384775297802527.davem@davemloft.net>
Date:   Mon, 25 Feb 2019 09:40:38 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     lesliemonis@...il.com
Cc:     jhs@...atatu.com, netdev@...r.kernel.org, dave@...t.net,
        tahiliani@...k.edu.in, dhavaljkhandla26@...il.com,
        hrishihiraskar@...il.com, bmanish15597@...il.com,
        sdp.sachin@...il.com
Subject: Re: [PATCH net-next v2 5/7] net: sched: pie: add more cases to
 auto-tune alpha and beta

From: Leslie Monis <lesliemonis@...il.com>
Date: Mon, 25 Feb 2019 15:50:49 +0530

> +		power = 100;
> +		while (q->vars.prob < MAX_PROB / (u64)power &&

You have to use div_u64() or similar when doing 64-bit divisons otherwise
you'll get build failures on 32-bit platforms.