linux-kernel - Re: [PATCH v12 1/6] sched/core: uclamp: Extend CPU's cgroup controller

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Message-ID: <20190725114104.GA32159@blackbody.suse.cz>
Date:   Thu, 25 Jul 2019 13:41:04 +0200
From:   Michal Koutný <mkoutny@...e.com>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     cgroups@...r.kernel.org, linux-api@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Alessio Balsini <balsini@...roid.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Quentin Perret <quentin.perret@....com>,
        Joel Fernandes <joelaf@...gle.com>,
        Paul Turner <pjt@...gle.com>,
        Steve Muckle <smuckle@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Todd Kjos <tkjos@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Tejun Heo <tj@...nel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v12 1/6] sched/core: uclamp: Extend CPU's cgroup
 controller

On Thu, Jul 18, 2019 at 07:17:43PM +0100, Patrick Bellasi <patrick.bellasi@....com> wrote:
> +static ssize_t cpu_uclamp_min_write(struct kernfs_open_file *of,
> +				    char *buf, size_t nbytes,
> +				    loff_t off)
> +{
> [...]
> +static ssize_t cpu_uclamp_max_write(struct kernfs_open_file *of,
> +				    char *buf, size_t nbytes,
> +				    loff_t off)
> +{
> [...]
These two functions are almost identical yet not trivial. I think it
wouldn be better to have the code at one place only and distinguish by
the passed clamp_id.

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