Re: [PATCH 2/6] sched/core: Propagate parent task's latency requirements to the child task

[Tim Chen]

On Fri, 2022-03-11 at 17:14 +0100, Vincent Guittot wrote:
> 
> Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
> ---
>  init/init_task.c    | 1 +
>  kernel/sched/core.c | 4 ++++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/init/init_task.c b/init/init_task.c
> index 73cc8f03511a..2afa249c253b 100644
> --- a/init/init_task.c
> +++ b/init/init_task.c
> @@ -78,6 +78,7 @@ struct task_struct init_task
>  	.prio		= MAX_PRIO - 20,
>  	.static_prio	= MAX_PRIO - 20,
>  	.normal_prio	= MAX_PRIO - 20,
> +	.latency_nice	= 0,

Probably better to use non hardcoded number here
	.latency_nice   = DEFAULT_LATENCY_NICE;

>  	.policy		= SCHED_NORMAL,
>  	.cpus_ptr	= &init_task.cpus_mask,
>  	.user_cpus_ptr	= NULL,
> 

Tim