Date:   Mon, 15 Nov 2021 11:43:57 +0100
From:   Michal Hocko <mhocko@suse.com>
To:     Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org, thuth@redhat.com,
        frankja@linux.ibm.com, borntraeger@de.ibm.com,
        Ulrich.Weigand@de.ibm.com, david@redhat.com, ultrachin@163.com,
        akpm@linux-foundation.org, vbabka@suse.cz, brookxu.cn@gmail.com,
        xiaoggchen@tencent.com, linuszeng@tencent.com, yihuilu@tencent.com,
        daniel.m.jordan@oracle.com, axboe@kernel.dk, legion@kernel.org,
        peterz@infradead.org, aarcange@redhat.com, christian@brauner.io,
        tglx@linutronix.de
Subject: Re: [RFC v1 2/4] kernel/fork.c: implement new process_mmput_async
 syscall
Message-ID: <YZI57bFLvBptKkYj@dhcp22.suse.cz>
References: <20211111095008.264412-1-imbrenda@linux.ibm.com>
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 <874k8ixzx0.fsf@email.froward.int.ebiederm.org>
 <20211112103439.441b4c12@p-imbrenda>
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On Fri 12-11-21 17:53:09, Claudio Imbrenda wrote:
[...]
> Of course, but this also means that it's not possible to stop the OOM
> killer while the teardown is in progress,

Blocking the OOM killer and depend on the userspace to make a forward
progress is not acceptable solution.
-- 
Michal Hocko
SUSE Labs