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SubjectRe: [PATCH] sched/deadline: Use proc_douintvec_minmax() limit minimum value
Ping.



May 13, 2022 10:41 AM, "Yajun Deng" <yajun.deng@linux.dev> wrote:

> proc_dointvec() is not applicable for unsigned integer, use
> proc_douintvec_minmax() limit minimum value.
>
> Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
> ---
> kernel/sched/deadline.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
> index 85cd62e0dddd..4d2a780c6f73 100644
> --- a/kernel/sched/deadline.c
> +++ b/kernel/sched/deadline.c
> @@ -30,14 +30,16 @@ static struct ctl_table sched_dl_sysctls[] = {
> .data = &sysctl_sched_dl_period_max,
> .maxlen = sizeof(unsigned int),
> .mode = 0644,
> - .proc_handler = proc_dointvec,
> + .proc_handler = proc_douintvec_minmax,
> + .extra1 = (void *)&sysctl_sched_dl_period_min,
> },
> {
> .procname = "sched_deadline_period_min_us",
> .data = &sysctl_sched_dl_period_min,
> .maxlen = sizeof(unsigned int),
> .mode = 0644,
> - .proc_handler = proc_dointvec,
> + .proc_handler = proc_douintvec_minmax,
> + .extra2 = (void *)&sysctl_sched_dl_period_max,
> },
> {}
> };
> --
> 2.25.1

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