From nobody Sat Apr 11 21:30:24 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 A0B5CC19F2D for ; Sat, 6 Aug 2022 12:05:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230331AbiHFMFs (ORCPT ); Sat, 6 Aug 2022 08:05:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231371AbiHFMFl (ORCPT ); Sat, 6 Aug 2022 08:05:41 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1625ECE18 for ; Sat, 6 Aug 2022 05:05:39 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id c19-20020a17090ae11300b001f2f94ed5c6so9147914pjz.1 for ; Sat, 06 Aug 2022 05:05:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=GsJOX3el/XhuSXmXplhhUR42pn8/C3PI7wN0KJVkot0=; b=LGUTxVJQlRarj13waUI3GmEJRxpGMGPhMio6/XdhT2iORKsFt6tN4vHFB2wIQixoy0 LqvXRyqCg3z78+Cc9SBJ3X10EC2WYllRXA5ReQWNtPMEIIoiFGgs9EAmnClbm+DfNEXc fnvjO1OS552q3Bq26C1G+UXslEdJ3A4GoHwIaoHQxc+SnohAMq0Dlhtmmjgmx4bna4kx 5uyGSezHYXuOhIS4x9BaEN/8Ap8l4UrsnSlt67Yiazh6AllsyKMHgJMA1WFIO7CAw8oM 7/dsGVXLDJa3CZ3ivFdISoO65Smn4lvHosewG/8AETQfbGSLvIk35OuKS/Zcdp+PjHUa ztfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=GsJOX3el/XhuSXmXplhhUR42pn8/C3PI7wN0KJVkot0=; b=mB/Qf6wzhlXgzj1JiyxYzH/dGpwEjsJ4SsTcwsJtvytGPpEFQhHvD7AxjV6EVaYh4E cvxFuuyq6c/xpYy9sW2UDjGwBqxVogt9KNk2o7Uy20yrxhhY4kJydQ96fFyTW48WRSQt fnDtF+5lt/FQQWRPiw/3p+7IOhrh+xunFZa7XFYNmtXMOig+ljoVgjqFANrKr1lqTLy9 WwpWq/5ZicaUoKoatgIwpxetb/7zqtIO1KQC1pqjym6Kg2/ltfVhglf//YrV1ZkWZgm8 JDLCQ6IEs8PLmAfOFdxxyzRK6UJ8bXalJ117CtOWmtZe4BFvc1XcCw4HCaSTeH5T7nar BFsg== X-Gm-Message-State: ACgBeo0trcQkAqjDNtpV6bQc6heU+6gzJHrXIcx1gE18gUjciqvhPAVr N1ip253aCYRU7YgvZSnf/SGsmQ== X-Google-Smtp-Source: AA6agR790V4JLywz5U7qHZcN3TfYTFPpJLwuJj0NajxYcBjrn58ILNMtWwXbOKd64FKVC51r4TEkfQ== X-Received: by 2002:a17:90b:4a8a:b0:1f5:d9a:ac3e with SMTP id lp10-20020a17090b4a8a00b001f50d9aac3emr12067176pjb.241.1659787539385; Sat, 06 Aug 2022 05:05:39 -0700 (PDT) Received: from C02G87K0MD6R.bytedance.net ([139.177.225.228]) by smtp.gmail.com with ESMTPSA id t4-20020a63eb04000000b003db7de758besm3035003pgh.5.2022.08.06.05.05.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Aug 2022 05:05:38 -0700 (PDT) From: Hao Jia To: mingo@redhat.com, peterz@infradead.org, mingo@kernel.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, Hao Jia Subject: [PATCH 2/3] sched/psi: Remove unused parameter nbytes of psi_trigger_create() Date: Sat, 6 Aug 2022 20:05:09 +0800 Message-Id: <20220806120510.96131-3-jiahao.os@bytedance.com> X-Mailer: git-send-email 2.32.0 (Apple Git-132) In-Reply-To: <20220806120510.96131-1-jiahao.os@bytedance.com> References: <20220806120510.96131-1-jiahao.os@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" psi_trigger_create()'s 'nbytes' parameter is not used, so we can remove it. Signed-off-by: Hao Jia Acked-by: Johannes Weiner --- include/linux/psi.h | 2 +- kernel/cgroup/cgroup.c | 2 +- kernel/sched/psi.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/psi.h b/include/linux/psi.h index 89784763d19e..dd74411ac21d 100644 --- a/include/linux/psi.h +++ b/include/linux/psi.h @@ -27,7 +27,7 @@ void psi_memstall_leave(unsigned long *flags); =20 int psi_show(struct seq_file *s, struct psi_group *group, enum psi_res res= ); struct psi_trigger *psi_trigger_create(struct psi_group *group, - char *buf, size_t nbytes, enum psi_res res); + char *buf, enum psi_res res); void psi_trigger_destroy(struct psi_trigger *t); =20 __poll_t psi_trigger_poll(void **trigger_ptr, struct file *file, diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index ffaccd6373f1..df7df5843b4f 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -3698,7 +3698,7 @@ static ssize_t cgroup_pressure_write(struct kernfs_op= en_file *of, char *buf, } =20 psi =3D cgroup_ino(cgrp) =3D=3D 1 ? &psi_system : cgrp->psi; - new =3D psi_trigger_create(psi, buf, nbytes, res); + new =3D psi_trigger_create(psi, buf, res); if (IS_ERR(new)) { cgroup_put(cgrp); return PTR_ERR(new); diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 5ee615a59fe1..ecb4b4ff4ce0 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -1087,7 +1087,7 @@ int psi_show(struct seq_file *m, struct psi_group *gr= oup, enum psi_res res) } =20 struct psi_trigger *psi_trigger_create(struct psi_group *group, - char *buf, size_t nbytes, enum psi_res res) + char *buf, enum psi_res res) { struct psi_trigger *t; enum psi_states state; @@ -1316,7 +1316,7 @@ static ssize_t psi_write(struct file *file, const cha= r __user *user_buf, return -EBUSY; } =20 - new =3D psi_trigger_create(&psi_system, buf, nbytes, res); + new =3D psi_trigger_create(&psi_system, buf, res); if (IS_ERR(new)) { mutex_unlock(&seq->lock); return PTR_ERR(new); --=20 2.32.0