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 968A1ECAA25 for ; Thu, 25 Aug 2022 16:44:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243299AbiHYQom (ORCPT ); Thu, 25 Aug 2022 12:44:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242083AbiHYQnq (ORCPT ); Thu, 25 Aug 2022 12:43:46 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D166FBC12F for ; Thu, 25 Aug 2022 09:42:56 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id f21so20877399pjt.2 for ; Thu, 25 Aug 2022 09:42:56 -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=a247I2rc5JAOD5ORKb3punvZ2pFvBSqM3A39uthrzLajeyXc85gOrdcNy3BgNnqo8B nUbn0XfHwV6+uojKSFxqqzA5v8Mj4NtnMzq//ATHO0+HsXT8XuREqfHrEeJaFvVAuRXI SABXuO68ZnK0GrKNBamHmmW/ybwjCsXas/hkcvr+sOts7EtnEuJSucGoxilYjU28MitS cHtoAX7xT5ZaltNlcjhiWBgM3fp0ShLjMTvh6695T22SaarIZaqTq9s9kSM5IdCcQqtO eTtx+b2QxFmXP8+m/6F+KizCCfjy/eGiZeJHzGtiBokhXtpmqJdxzwHGH8OcAf06lwzR eRvw== 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=VcPAU1k1tMZvaszipQlxKhDMEoKnQRtNcOosA1YNXRlO8OaxxII6Fc7SBrWdoKtJah eN9hd64zDypBDmSjd/Vt3oGx5H1GepF1hZzPyCCE3SZe5hnsn4PjSZ2X1IFNgHJXlsnv AB6Ak2fi+uuZlHwMNeVatuwQF0hj1hAi8ZvYwH4ICKyDGuMPHSYjACMhXn1qLCgcFSrR zTEQfvneeZv4gAXkoPImaT3lFd+1HtM+jKnKJQDbiGZa+RRaq2W5ery18QARNLJVa3b4 K7joCNYK9+I9ZKryn2ZIfom99uBVyzT3uF3YcIj5NeDlzlu4oNgiK2B5cPalGbJyoAdP fFcA== X-Gm-Message-State: ACgBeo1CfCvLc5tTjv//9LHTLGULzs9o1BzKg2v5jNYQTUUdaQgPaM9j gjNcnnQROZgnjpxcdPA7Nwxcog== X-Google-Smtp-Source: AA6agR6PtZRPH8DOa+cYNqYMkQRMGalD5fCgQzcKEGsbin0/QYLIG4ZScAZFg7GTIkLOKuSSHA5UFQ== X-Received: by 2002:a17:903:234f:b0:16f:18a6:451a with SMTP id c15-20020a170903234f00b0016f18a6451amr4528142plh.82.1661445776366; Thu, 25 Aug 2022 09:42:56 -0700 (PDT) Received: from localhost.localdomain ([139.177.225.236]) by smtp.gmail.com with ESMTPSA id b18-20020a62a112000000b005362314bf80sm12779408pff.67.2022.08.25.09.42.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Aug 2022 09:42:55 -0700 (PDT) From: Chengming Zhou To: hannes@cmpxchg.org, tj@kernel.org, mkoutny@suse.com, surenb@google.com Cc: mingo@redhat.com, peterz@infradead.org, gregkh@linuxfoundation.org, corbet@lwn.net, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, songmuchun@bytedance.com, Chengming Zhou Subject: [PATCH v4 04/10] sched/psi: move private helpers to sched/stats.h Date: Fri, 26 Aug 2022 00:41:05 +0800 Message-Id: <20220825164111.29534-5-zhouchengming@bytedance.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220825164111.29534-1-zhouchengming@bytedance.com> References: <20220825164111.29534-1-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