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(unknown [123.52.27.102]) by zwqz-smtp-mta-g5-1 (Coremail) with SMTP id _____wCHjgbDC15kU7ClAg--.37485S2; Fri, 12 May 2023 17:49:56 +0800 (CST) From: zhaomzhao@126.com 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, Zhao Mengmeng Subject: [PATCH v1] sched/numa: init numa_scan_period with sysctl_numa_balancing_scan_period_min Date: Fri, 12 May 2023 05:49:46 -0400 Message-Id: <20230512094946.2639893-1-zhaomzhao@126.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-CM-TRANSID: _____wCHjgbDC15kU7ClAg--.37485S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrZFWxtr1fur47Kw4xCryxGrg_yoWDCwb_u3 4kZr13tr4Iqrn0q3s3Gw43WFy5KFsFqa93C3WxG3y3trnYqa4kJFZ5AFWrJrnxJF4UGFs0 yF1DXFyjqrsxZjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU8DfHUUUUUU== X-Originating-IP: [123.52.27.102] X-CM-SenderInfo: 52kd0zp2kd0qqrswhudrp/1tbi6Ahtd2IxmSeRWwAAsd X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,SPF_HELO_NONE, 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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765682884420244524?= X-GMAIL-MSGID: =?utf-8?q?1765682884420244524?= From: Zhao Mengmeng As the name suggests, sysctl_numa_balancing_scan_delay is a "delay" mainly used by numa_next_scan, it has nothing to do with scan period. So init numa_scan_period with sysctl_numa_balancing_scan_period_min. Signed-off-by: Zhao Mengmeng --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 373ff5f55884..9b7d4f3a3d50 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3149,7 +3149,7 @@ void init_numa_balancing(unsigned long clone_flags, struct task_struct *p) } p->node_stamp = 0; p->numa_scan_seq = mm ? mm->numa_scan_seq : 0; - p->numa_scan_period = sysctl_numa_balancing_scan_delay; + p->numa_scan_period = sysctl_numa_balancing_scan_period_min; p->numa_migrate_retry = 0; /* Protect against double add, see task_tick_numa and task_numa_work */ p->numa_work.next = &p->numa_work;