From nobody Mon Feb 9 01:47:33 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB0F7C77B7F for ; Fri, 12 May 2023 10:11:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240565AbjELKL5 (ORCPT ); Fri, 12 May 2023 06:11:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240382AbjELKLp (ORCPT ); Fri, 12 May 2023 06:11:45 -0400 X-Greylist: delayed 1080 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 12 May 2023 03:11:15 PDT Received: from m126.mail.126.com (m126.mail.126.com [220.181.12.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 00C758A7F for ; Fri, 12 May 2023 03:11:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=drjOJ bwh5sf32KtIIWZtrKWoSs9PXWg/V8+XkmqGqRc=; b=bJVPB44O42qSlopt9UMEG 9gl8vDPwNEQhM+V5fOH5sGnsAPuT8gdc726KgMj4H03OF3RpOeQHW+r+gRGjrvAO SHl0mJwSiLnJJtKlLwabsVQ5IA3NL6O9UYn/Rf4yZfduQ2X9UgGM+LyZwEq5tWQ6 3EvgOCccLXu7e12o33koYU= Received: from fedora.. (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 Content-Transfer-Encoding: quoted-printable 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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, s= truct task_struct *p) } p->node_stamp =3D 0; p->numa_scan_seq =3D mm ? mm->numa_scan_seq : 0; - p->numa_scan_period =3D sysctl_numa_balancing_scan_delay; + p->numa_scan_period =3D sysctl_numa_balancing_scan_period_min; p->numa_migrate_retry =3D 0; /* Protect against double add, see task_tick_numa and task_numa_work */ p->numa_work.next =3D &p->numa_work; --=20 2.38.1