From nobody Sat Apr 11 19:53:12 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 8559EC00140 for ; Mon, 8 Aug 2022 11:04:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242803AbiHHLE6 (ORCPT ); Mon, 8 Aug 2022 07:04:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242693AbiHHLEp (ORCPT ); Mon, 8 Aug 2022 07:04:45 -0400 Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com [IPv6:2607:f8b0:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D183140F2 for ; Mon, 8 Aug 2022 04:04:44 -0700 (PDT) Received: by mail-pg1-x530.google.com with SMTP id bh13so8265854pgb.4 for ; Mon, 08 Aug 2022 04:04:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MhJX1xAuM+Dg2Au0JlwK8MVyZU4paj2H+YmQz1widm8=; b=ro7oTcXZNHFFdtiUu9akcDqIYcDZ2EV9Uc3qPLMtS5Nl3RGs9c/V+BXWCTw5CB33NH p8t5GdSJp+fWDaviDxFY1DCL23G1RudgkuGLQ9R8ib5w0nGwEVV3GtmqLlU6sCPtpXLD CWp/kZSPIXAA1zSVquXQAk9Ffs6pBsUXl5xlaRjfGXPyTgF/0i1fB4/TdwsnAdug2d9H H2iAB3R435PO5U8v7vj7FBU2C5HMp/HjttoeT+EnfkpwVTD2sF+4y2pcqjXi+MId6YjK gJDxMbw+Tz69NYobCSvgE+kxSVvJG/pLk6HmoX19v7yq18h4rKwXA87JUA9X1QNlPeqf jcZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MhJX1xAuM+Dg2Au0JlwK8MVyZU4paj2H+YmQz1widm8=; b=atvZJpz70YIbCEsaKQvMWTl/jBJHuFDX/W4mYBeTC9bWclkgGAesLghoayH6aRbtRV Exu5pQlRIBMXM80/oKwQwr7LITtzl8CUt4cV/sYpLfHd79fMTN9U1+XBgR1BO+AEyovT g/4/j0GKkYzsneCDoL4FZe2fzLOj5BS9/3W1+H2Ljt86KMmZK8E2Gv/NPP08ve28/NnE xeFg2sDbkZk08uDCxq7YrPf3rufcgX34QPkzLf16TN45NPvb6qPmamlW73AAgwHoDIP8 OhQNIjNeeIYUp45hAAsAKMTQTyv5HvfZJZOvoe/yLRhvRAn5CFZN2t0So6r3FuuYCSc0 lPMg== X-Gm-Message-State: ACgBeo3w3af8wa08ZTDAXkQybLDqNVEKBLV4K/hgGs6WaY+N4tFBwU9q n5lvi6i2fS+SGGKcOLX674ryyg== X-Google-Smtp-Source: AA6agR6zOoa6zw+DxLk4NcZHGKOcPeCvD1IUEebpqeEKHDlFsobWhZCcZq3C/2tRNmbBV67Pgx5ZOQ== X-Received: by 2002:a65:6556:0:b0:41c:9c36:98fa with SMTP id a22-20020a656556000000b0041c9c3698famr15358773pgw.491.1659956683658; Mon, 08 Aug 2022 04:04:43 -0700 (PDT) Received: from C02CV1DAMD6P.bytedance.net ([139.177.225.240]) by smtp.gmail.com with ESMTPSA id o12-20020aa7978c000000b0052dbad1ea2esm8393180pfp.6.2022.08.08.04.04.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Aug 2022 04:04:43 -0700 (PDT) From: Chengming Zhou To: hannes@cmpxchg.org, tj@kernel.org, corbet@lwn.net, surenb@google.com, mingo@redhat.com, peterz@infradead.org, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com Cc: cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, songmuchun@bytedance.com, Chengming Zhou Subject: [PATCH v2 03/10] sched/psi: move private helpers to sched/stats.h Date: Mon, 8 Aug 2022 19:03:34 +0800 Message-Id: <20220808110341.15799-4-zhouchengming@bytedance.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220808110341.15799-1-zhouchengming@bytedance.com> References: <20220808110341.15799-1-zhouchengming@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" This patch move psi_task_change/psi_task_switch declarations out of PSI public header, since they are only needed for implementing the PSI stats tracking in sched/stats.h psi_task_switch is obvious, psi_task_change can't be public helper since it doesn't check psi_disabled static key. And there is no any user now, so put it in sched/stats.h too. Signed-off-by: Chengming Zhou Acked-by: Johannes Weiner --- include/linux/psi.h | 4 ---- kernel/sched/stats.h | 4 ++++ 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/psi.h b/include/linux/psi.h index 89784763d19e..aa168a038242 100644 --- a/include/linux/psi.h +++ b/include/linux/psi.h @@ -18,10 +18,6 @@ extern struct psi_group psi_system; =20 void psi_init(void); =20 -void psi_task_change(struct task_struct *task, int clear, int set); -void psi_task_switch(struct task_struct *prev, struct task_struct *next, - bool sleep); - void psi_memstall_enter(unsigned long *flags); void psi_memstall_leave(unsigned long *flags); =20 diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h index baa839c1ba96..c39b467ece43 100644 --- a/kernel/sched/stats.h +++ b/kernel/sched/stats.h @@ -107,6 +107,10 @@ __schedstats_from_se(struct sched_entity *se) } =20 #ifdef CONFIG_PSI +void psi_task_change(struct task_struct *task, int clear, int set); +void psi_task_switch(struct task_struct *prev, struct task_struct *next, + bool sleep); + /* * PSI tracks state that persists across sleeps, such as iowaits and * memory stalls. As a result, it has to distinguish between sleeps, --=20 2.36.1