linux-kernel - Re: [PATCH net-next 0/3] net: sched: add other statistics when calling qdisc

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Message-ID: <3bee0773-dc81-79b8-bddd-852141e3258c@huawei.com>
Date:   Sat, 27 Aug 2022 11:16:53 +0800
From:   shaozhengchao <shaozhengchao@...wei.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
        <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>
Subject: Re: [PATCH net-next 0/3] net: sched: add other statistics when
 calling qdisc_drop()

On 2022/8/27 10:40, Jakub Kicinski wrote:
> On Thu, 25 Aug 2022 11:29:40 +0800 Zhengchao Shao wrote:
>> According to the description, "other" should be added when calling
>> qdisc_drop() to discard packets.
> 
> The fact that an old copy & pasted comment says something is not
> in itself a sufficient justification to make code changes.
> 
> qdisc_drop() already counts drops, duplicating the same information
> in another place seems like a waste of CPU cycles.

Hi Jakub:
	Thank you for your reply. It seems more appropriate to delete the other 
variable, if it is unused?

Zhengchao Shao