linux-kernel - Re: [PATCH] sched: fix include for task_cpu

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Message-ID: <ZvrZsQ-uXHFQsxII@slm.duckdns.org>
Date: Mon, 30 Sep 2024 07:02:41 -1000
From: Tejun Heo <tj@...nel.org>
To: Matthias Männich <maennich@...gle.com>
Cc: linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	peterz@...radead.org, void@...ifault.com
Subject: Re: [PATCH] sched: fix include for task_cpu_possible

Hello,

On Mon, Sep 30, 2024 at 04:44:56PM +0000, Matthias Männich wrote:
> From: Matthias Maennich <maennich@...gle.com>
> 
> Commit 2c390dda9e03 ("sched_ext: Make task_can_run_on_remote_rq() use
> common task_allowed_on_cpu()") moved the call for task_cpu_possible from
> kernel/sched/core.c, but did not add an include of linux/mmu_context.h
> where this symbol is defined. Fix that by adding the missing include.
> 
> Fixes: 2c390dda9e03 ("sched_ext: Make task_can_run_on_remote_rq() use common task_allowed_on_cpu()")
> Signed-off-by: Matthias Maennich <maennich@...gle.com>
> ---
>  kernel/sched/sched.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> index e2b7c5282f5d..a7832c53cc92 100644
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
> @@ -44,6 +44,7 @@
>  #include <linux/lockdep.h>
>  #include <linux/minmax.h>
>  #include <linux/mm.h>
> +#include <linux/mmu_context.h>

Should the patch also remove mmu_context.h from kernel/sched/core.c?

Thanks.

-- 
tejun