From mboxrd@z Thu Jan 1 00:00:00 1970 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 B1D38C32792 for ; Wed, 24 Aug 2022 08:20:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235691AbiHXIUN (ORCPT ); Wed, 24 Aug 2022 04:20:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235660AbiHXIUE (ORCPT ); Wed, 24 Aug 2022 04:20:04 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2B34857C2 for ; Wed, 24 Aug 2022 01:20:03 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id u22so15015334plq.12 for ; Wed, 24 Aug 2022 01:20:03 -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=T5Xd8mmYM32aYWsV+JS4zJF3yib8jGf3ov52iW7dkys=; b=2hbOVKhOIJMdq+ESAqgtn9qO5FOZb7JuoMEFLh7q/VunkkOu9QAT5ULHRWLNGQHUmN f+BAdie4GiPCPkFWX4K1h+kjjefd+BKv3QZwl+MX/Wi+1tUdoLPaG1DFS88O0FQD8OIe MuLXlFlHpQY7LCq6GjLVtMo1aGQRwAoCaEiL9D1wC1vXIIQ6YXzfgWEfJeBvS+brm3jC o4YhJAJGyZ5PspBdTHCfEKsF2rRbqlBg6h4ajiQztHfDToeo84tMAeHwNtV8roDKp62a RDIJ5oLfbDn9L+m38KS0qIw2WwsB5HKK2qwtDhQAPv3bCGmDIJym1uNeXaJYeGGm1F/9 J9og== 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=T5Xd8mmYM32aYWsV+JS4zJF3yib8jGf3ov52iW7dkys=; b=I/j5GOfzYemO9DAwdiK4ZSQkLdRFe0k02F13UbRfTo2RRaPtH8zEIWAvyuMZvXRomh /DonBM9p0KaOR+C/XfkieKO9XXG9EhZpsd22fIbkhoqLfRV+X7B1kAHzsiGdq6A/BKyt CmHvr+f8+TeWKSLUD1TT+83oqtblSg2OtCrcIKmKg2+lrRgiKWjvQnn64/kScyF/GLNd P0ThP8bSTPIHH3cIPt0FLKddRn5PgYPykFFEvYSfVLSPSqkShT2f/9MdE3JF4RlvN6k7 nck0ohR9gmAgZ0WNdtiOC57WKNDh1d0Swyagd0JovXcHT6J0wE4PQo10uNGw5+WGOcwc hs+A== X-Gm-Message-State: ACgBeo3NRpsu3oYGe/LP0D9vCI0G1VZhdw0x8OSeCzjcZJ7tZET54TX7 6rJP2fGYkfyTtKsT3oqIsMZcR0xBitQDbQ== X-Google-Smtp-Source: AA6agR6mL/3prlPOQPzpJzCgrVHKgCOeio2wkX6dkk2PYa+ddmaiTrx7bTioyVdKpdoD66cL7Zx35Q== X-Received: by 2002:a17:90a:c78f:b0:1fa:e505:18e6 with SMTP id gn15-20020a17090ac78f00b001fae50518e6mr7359010pjb.23.1661329203483; Wed, 24 Aug 2022 01:20:03 -0700 (PDT) Received: from C02CV1DAMD6P.bytedance.net ([139.177.225.244]) by smtp.gmail.com with ESMTPSA id q31-20020a635c1f000000b00421841943dfsm10486587pgb.12.2022.08.24.01.19.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Aug 2022 01:20:03 -0700 (PDT) From: Chengming Zhou To: tj@kernel.org, hannes@cmpxchg.org, mkoutny@suse.com, surenb@google.com Cc: gregkh@linuxfoundation.org, corbet@lwn.net, mingo@redhat.com, peterz@infradead.org, songmuchun@bytedance.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Chengming Zhou Subject: [PATCH v3 04/10] sched/psi: move private helpers to sched/stats.h Date: Wed, 24 Aug 2022 16:18:23 +0800 Message-Id: <20220824081829.33748-5-zhouchengming@bytedance.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220824081829.33748-1-zhouchengming@bytedance.com> References: <20220824081829.33748-1-zhouchengming@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 dd74411ac21d..fffd229fbf19 100644 --- a/include/linux/psi.h +++ b/include/linux/psi.h @@ -18,10 +18,6 @@ extern struct psi_group psi_system; void psi_init(void); -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); 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) } #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, -- 2.37.2