linux-kernel - Re: [Phishing Risk] Re: [Phishing Risk] [External] Re: [PATCH] cgroup/cpuset: Add a new isolated mems.policy type.

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Message-ID: <Yxi4EYxMaPNkL+of@slm.duckdns.org>
Date:   Wed, 7 Sep 2022 05:26:09 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Zhongkun He <hezhongkun.hzk@...edance.com>
Cc:     lizefan.x@...edance.com, hannes@...xchg.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Phishing Risk] Re: [Phishing Risk] [External] Re: [PATCH]
 cgroup/cpuset: Add a new isolated mems.policy type.

Hello,

On Wed, Sep 07, 2022 at 08:06:30PM +0800, Zhongkun He wrote:
> It would be better if one process had a way to dynamically modify the
> mempolicy of another process. But unfortunately there is no interface or
> system call to do that in userspace.

If you need to change the properties dynamically, I suggest adding this as a
dynamic per-process interface first. That's more generic and useful for more
cases.

Thanks.

-- 
tejun