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Date:   Mon, 9 Aug 2021 13:57:05 +0200
From:   Michal Hocko <mhocko@suse.com>
To:     chenguanyou <chenguanyou9338@gmail.com>
Cc:     akpm@linux-foundation.org, chenguanyou@xiaomi.com,
        gpiccoli@canonical.com, keescook@chromium.org,
        linux-kernel@vger.kernel.org, lukas.bulwahn@gmail.com,
        vbabka@suse.cz
Subject: Re: [PATCH v2] hungtask: add filter kthread
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 <20210809115238.4044-1-chenguanyou@xiaomi.com>
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On Mon 09-08-21 19:52:38, chenguanyou wrote:
> > This still suggests that the primary purpose of the interface is to
> > paper over real problems that should be fixed instead.
> 
> I know, but i don't care kernel threads state because of it doesn't neet to fixed.
> The API only for debugging.

Then I am afraid you have to keep this a local non-upstream feature in
your kernel. This doesn't look like an upstream material to me.
-- 
Michal Hocko
SUSE Labs