linux-kernel - Re: [RFC PATCH v2 1/3] misc_cgroup: add support for nofile limit

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Message-ID: <YQF5/8Zb/iY5DS7f@mtj.duckdns.org>
Date:   Wed, 28 Jul 2021 05:38:39 -1000
From:   Tejun Heo <tj@...nel.org>
To:     brookxu <brookxu.cn@...il.com>
Cc:     viro@...iv.linux.org.uk, lizefan.x@...edance.com,
        hannes@...xchg.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, cgroups@...r.kernel.org
Subject: Re: [RFC PATCH v2 1/3] misc_cgroup: add support for nofile limit

Hello,

On Wed, Jul 28, 2021 at 05:47:05PM +0800, brookxu wrote:
> But considering stability issues(k8s), There are still many production environments use
> cgroup v1 without kmem. If kmem is enabled, due to the relatively large granularity
> of kmem, this feature can also prevent the abnormal open behavior from making the entire
> container unavailable? but I currently do not have this scenario.

Now we are repeating the same points. This simply doesn't justify adding a
user-facing feature that we have to maintain for eternity.

Thanks.

-- 
tejun