Re: [PATCH] cgroup: Avoid warning when procfs is disabled

[Michal Koutný]

On Mon, Oct 12, 2026 at 07:42:19AM +0200, Karl Mehltretter <kmehltretter@xxxxxxxxx> wrote:
> With CGROUPS=y and PROC_FS=n,

What is practical about this config? Is it real life usage?

> proc_create_single() returns NULL and
> cgroup initialization warns during every boot.
> 
> Only check creation of /proc/cgroups when procfs is enabled.

The dependency on CONFIG_PROC_FS is encoded in the
proc_create_single already, it's unfortunate that it returns a value
that signifies an error.
I'd prefer more generic fix that doesn't target cgroup_init()
specifically.

Thanks,
Michal

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