From patchwork Tue Aug 24 11:29:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yafang Shao X-Patchwork-Id: 502648 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88B0CC4338F for ; Tue, 24 Aug 2021 11:30:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B72961373 for ; Tue, 24 Aug 2021 11:30:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236681AbhHXLas (ORCPT ); Tue, 24 Aug 2021 07:30:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236614AbhHXLaq (ORCPT ); Tue, 24 Aug 2021 07:30:46 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A351BC061757; Tue, 24 Aug 2021 04:29:59 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id 2so4025037pfo.8; Tue, 24 Aug 2021 04:29:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JVr8PGszwG12RQLxsTfg9itjnLUTmikBGfspTpaerwM=; b=ZDZBH2mSLT+feJJpheykz9SuYyO5rGEd8xjPms8ZJXHWR7UNVDo6OrcCv6/ZZJbR6v LrCo4oy2tfRuKERpq5jszz44yJEx6I00vvNAxPd1AT6nBE0V0C1iA5KJ/8thCrUYnsCS 041S9U/TAG31QccfiPJChN6WbA+DsTyfwPoeP1I1/C71hW2b31StShyBit/D+bDTWmen 1JOKBV/6QWT3pWDsG3oxVbjstkaRsAjpsrB/Aq1GW0PzTmlIZJ16TAlpRHTOwjKk1wlo Qs1yjj0DnMQ45kI/FhidW03DGkx7UojtDQhFckrJr8rW1Bkl6sQFlOJTZo4Oyhk+G9OV XmJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=JVr8PGszwG12RQLxsTfg9itjnLUTmikBGfspTpaerwM=; b=Mun1T59gC1owNqiNRDJ3xc/3lxDOr2bedN8wMYY9M49PCTQOyvGOVTBUbajlc+wSvk ZxQZR89N5zltlTUw81B/Drio4X5wCOzSe6rBELFtzB0g7kB0SaDBVz4ijzKrsZsIcRqw ec+XX5Wg8nHwBQgTHNYL65zDz7YJcq6whmlx6ZrNhq7Fh5l7z5oplYqnF7OdPlpIiI/n lyYhn45aIf8ioyDAZpV5k+MwlZB0W+qG7RVdkgPYsi8kunkS6BHs48MibTaBEqiFva6K 0khB/XK6fCEBW2p/Ozjiz7QTJbU+HWUMU3GELvZtwWR376dSXkXo84jtZswHvMymqsMv Fsrw== X-Gm-Message-State: AOAM532p8cLMIwjd3UYt+qfkmUC0an7OgV7evmSrqgHGQKBwGxlSEcR3 4w70FGTZludfEOFTuAzWHKw= X-Google-Smtp-Source: ABdhPJxLUEzIuAMnwdG2zQjfjy3YxnU+T74jFM8L65lCKMs6eTvFCNINd2kll67RMj14dV2SKj62jw== X-Received: by 2002:a62:1888:0:b029:3c9:7957:519b with SMTP id 130-20020a6218880000b02903c97957519bmr38551885pfy.17.1629804599244; Tue, 24 Aug 2021 04:29:59 -0700 (PDT) Received: from localhost.localdomain ([45.77.24.247]) by smtp.gmail.com with ESMTPSA id on15sm2128732pjb.19.2021.08.24.04.29.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Aug 2021 04:29:58 -0700 (PDT) From: Yafang Shao To: mingo@redhat.com, peterz@infradead.org, mgorman@suse.de, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, achaiken@aurora.tech Cc: lkp@intel.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Yafang Shao Subject: [PATCH v3 1/7] sched, fair: use __schedstat_set() in set_next_entity() Date: Tue, 24 Aug 2021 11:29:40 +0000 Message-Id: <20210824112946.9324-2-laoar.shao@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210824112946.9324-1-laoar.shao@gmail.com> References: <20210824112946.9324-1-laoar.shao@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org schedstat_enabled() has been already checked, so we can use __schedstat_set() directly. Signed-off-by: Yafang Shao Acked-by: Mel Gorman Cc: Alison Chaiken --- 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 5aa3cfd15a2e..422426768b84 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4502,7 +4502,7 @@ set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se) */ if (schedstat_enabled() && rq_of(cfs_rq)->cfs.load.weight >= 2*se->load.weight) { - schedstat_set(se->statistics.slice_max, + __schedstat_set(se->statistics.slice_max, max((u64)schedstat_val(se->statistics.slice_max), se->sum_exec_runtime - se->prev_sum_exec_runtime)); }