linux-kernel - Re: [PATCH net-next 3/3] net: core: Namespace-ify sysctl_rmem_max and sysctl_wmem

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Date:   Wed, 20 Jan 2021 14:57:06 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Menglong Dong <menglong8.dong@...il.com>,
        Florian Westphal <fw@...len.de>
Cc:     Jakub Kicinski <kuba@...nel.org>, christian.brauner@...ntu.com,
        David Miller <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Menglong Dong <dong.menglong@....com.cn>, daniel@...earbox.net,
        gnault@...hat.com, ast@...nel.org, ap420073@...il.com,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, jakub@...udflare.com,
        bjorn.topel@...el.com, Kees Cook <keescook@...omium.org>,
        viro@...iv.linux.org.uk, rdna@...com,
        Mahesh Bandewar <maheshb@...gle.com>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 3/3] net: core: Namespace-ify sysctl_rmem_max and
 sysctl_wmem_max

Le 20/01/2021 à 14:28, Menglong Dong a écrit :
[snip]
>>> For that reason, make sysctl_wmem_max and sysctl_rmem_max
>>> per-namespace.
>>
>> I think having those values be restricted by init netns is a desirable
>> property.
> 
> I just thought that having these values per-namespace can be more flexible,
> and users can have more choices. Is there any bad influence that I didn't
> realize?
You can have a look here:
https://lore.kernel.org/netdev/1501495652.1876.17.camel@edumazet-glaptop3.roam.corp.google.com/
https://patchwork.ozlabs.org/project/netdev/patch/20170726170333.24580-1-mcroce@redhat.com/


Regards,
Nicolas