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SubjectRe: [PATCH 3/4] sched/fair: move call to list_last_entry() in detach_tasks
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On 25/08/2022 14:27, Vincent Guittot wrote:

s/sched/fair: move/sched/fair: Move
s/detach_tasks/detach_tasks()

> Move the call to list_last_entry() in detach_tasks() after testing
> loop_max and loop_break.
>
> Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
> ---
> kernel/sched/fair.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 6972a1a29a48..260a55ac462f 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -8047,8 +8047,6 @@ static int detach_tasks(struct lb_env *env)
> if (env->idle != CPU_NOT_IDLE && env->src_rq->nr_running <= 1)
> break;
>
> - p = list_last_entry(tasks, struct task_struct, se.group_node);
> -
> env->loop++;
> /*
> * We've more or less seen every task there is, call it quits
> @@ -8065,6 +8063,8 @@ static int detach_tasks(struct lb_env *env)
> break;
> }
>
> + p = list_last_entry(tasks, struct task_struct, se.group_node);
> +
> if (!can_migrate_task(p, env))
> goto next;
>

Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>

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