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SubjectRe: [PATCH -next] psi: Make symbol 'psi_cgroups_enabled' static
On Wed, Jun 9, 2021 at 7:54 AM Wei Yongjun <weiyongjun1@huawei.com> wrote:
>
> The sparse tool complains as follows:
>
> kernel/sched/psi.c:151:1: warning:
> symbol 'psi_cgroups_enabled' was not declared. Should it be static?
>
> This symbol is not used outside of psi.c, so marks it static.
>
> Fixes: 3958e2d0c34e ("cgroup: make per-cgroup pressure stall tracking configurable")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Reviewed-by: Suren Baghdasaryan <surenb@google.com>

Thanks for reporting!

Tejun, how would to like this to be fixed? Will you take this patch as
is, roll it into my change which introduced this warning
(https://lore.kernel.org/patchwork/patch/1435705/) or would you prefer
me to resent the original patch with this fix?


> ---
> kernel/sched/psi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
> index b773cae4c24b..d6e32de2f6af 100644
> --- a/kernel/sched/psi.c
> +++ b/kernel/sched/psi.c
> @@ -148,7 +148,7 @@
> static int psi_bug __read_mostly;
>
> DEFINE_STATIC_KEY_FALSE(psi_disabled);
> -DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled);
> +static DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled);
>
> #ifdef CONFIG_PSI_DEFAULT_DISABLED
> static bool psi_enable;
>

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