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From: "Yajun Deng" Message-ID: <32bfd9554e9afcb0f8eaec247e253b3d@linux.dev> Subject: Re: [PATCH] sched/deadline: Use proc_douintvec_minmax() limit minimum value To: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com Cc: linux-kernel@vger.kernel.org In-Reply-To: <20220513024109.648471-1-yajun.deng@linux.dev> References: <20220513024109.648471-1-yajun.deng@linux.dev> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ping.=0A=0A=0A=0AMay 13, 2022 10:41 AM, "Yajun Deng" wrote:=0A=0A> proc_dointvec() is not applicable for unsigned integer, = use=0A> proc_douintvec_minmax() limit minimum value.=0A> =0A> Signed-off-= by: Yajun Deng =0A> ---=0A> kernel/sched/deadline.c= | 6 ++++--=0A> 1 file changed, 4 insertions(+), 2 deletions(-)=0A> =0A> = diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c=0A> index = 85cd62e0dddd..4d2a780c6f73 100644=0A> --- a/kernel/sched/deadline.c=0A> += ++ b/kernel/sched/deadline.c=0A> @@ -30,14 +30,16 @@ static struct ctl_ta= ble sched_dl_sysctls[] =3D {=0A> .data =3D &sysctl_sched_dl_period_max,= =0A> .maxlen =3D sizeof(unsigned int),=0A> .mode =3D 0644,=0A> - .proc_ha= ndler =3D proc_dointvec,=0A> + .proc_handler =3D proc_douintvec_minmax,= =0A> + .extra1 =3D (void *)&sysctl_sched_dl_period_min,=0A> },=0A> {=0A> = .procname =3D "sched_deadline_period_min_us",=0A> .data =3D &sysctl_sched= _dl_period_min,=0A> .maxlen =3D sizeof(unsigned int),=0A> .mode =3D 0644,= =0A> - .proc_handler =3D proc_dointvec,=0A> + .proc_handler =3D proc_doui= ntvec_minmax,=0A> + .extra2 =3D (void *)&sysctl_sched_dl_period_max,=0A> = },=0A> {}=0A> };=0A> -- =0A> 2.25.1