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From:   Valentin Schneider <valentin.schneider@arm.com>
To:     Yafang Shao <laoar.shao@gmail.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Benjamin Segall <bsegall@google.com>,
        Mel Gorman <mgorman@suse.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>
Cc:     LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 1/1] sched: do active load balance in balance callback
In-Reply-To: <CALOAHbAS26LP2p9Fe7m6xynZmazYENmx_HfTV4LebwPWr7XLmA@mail.gmail.com>
References: <CALOAHbAS26LP2p9Fe7m6xynZmazYENmx_HfTV4LebwPWr7XLmA@mail.gmail.com>
Date:   Wed, 14 Jul 2021 13:27:24 +0100
Message-ID: <87tukxm66r.mognet@arm.com>
MIME-Version: 1.0
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On 11/07/21 15:40, Yafang Shao wrote:
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 4ca80df205ce..a0a90a37e746 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -8208,6 +8208,7 @@ void __init sched_init(void)
>                 rq->cpu_capacity = rq->cpu_capacity_orig = SCHED_CAPACITY_SCALE;
>                 rq->balance_callback = &balance_push_callback;
>                 rq->active_balance = 0;
> +               rq->active_balance_target = NULL;
>                 rq->next_balance = jiffies;
>                 rq->push_cpu = 0;
>                 rq->cpu = i;
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 23663318fb81..9aaa75250cdc 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -7751,36 +7751,6 @@ static void detach_task(struct task_struct *p,
> struct lb_env *env)

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