Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3861337ybz; Mon, 20 Apr 2020 10:47:18 -0700 (PDT) X-Google-Smtp-Source: APiQypIAhZ9QXwEJxgC6hmymdiOz6bnmgpMdWNFluyIu6c0aGmyZdGOst2KtdOcxlzIizh1jcXGV X-Received: by 2002:a17:906:11c9:: with SMTP id o9mr17773734eja.64.1587404838665; Mon, 20 Apr 2020 10:47:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587404838; cv=none; d=google.com; s=arc-20160816; b=Ssu+eXOfEsAcogn9fxDbYmJVrLlcVSiME5xtx/TRCsI2tOjQJ4I/GMHD1e87UEphVj 1Oq+GFnJ877aBrqJaZSePNzpoxpLayVBLNnKy/BOxhq3YMc3IXwGTS+MGCqB8hLh6hjK ssjZgdix5j1L4XAyofed2SwKPcpLBZigAWsOjfeFcYmMJEpAT09dqB0m8phJgdaRRVyA Sfifo0gWXNxo7eMozEqAsRSjdPeINLwlz5MsVxNrpKTRh4DiXtpTHJHejbIzun/uWEpK UFkVCVZ7Ug0OEj6QDzekolETo8DK8cFQbvxcDlEu7KTnZ9w4iTci8H937nU7r3WMXZ4D NKww== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:in-reply-to :subject:cc:to:from:user-agent:references; bh=CLK9H2J+If7GpzAMYYb/pVQgGZB7afTj2CV/jAhhZFc=; b=BSADnfJwLFlD0j55evacPmJVSK8Z3VnfiMnns9RO9XKYgS/ee6ySDfjAZjyKvOgNb2 6HM5vowsmJCrI7KLoG1/WguvYh72TpKEA5MHJcs7zWZt6L8hgV+tQ+qi+qRDpoUa3Hsj tUcoUk+10ilsTpVRE3Z5ciSXzNvzCqaXwgzFpUFi+OHJ8AQK6+NNatzHrXiaLAVB4nC+ f6K6/NcpG4wZfviWItj3ns1BwV7WDJQtlItso8JyMlLGJayyt7KjaehF3k0PCt9aHR9S TQ+n4+G5z6oQkNIyPq7LLTDnZdlI7VbZzjvim1rpvPkKTz1quos//NiQ+jvWqXTR2iEH GhZw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jr23si880448ejb.316.2020.04.20.10.46.54; Mon, 20 Apr 2020 10:47:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726921AbgDTRnq (ORCPT + 99 others); Mon, 20 Apr 2020 13:43:46 -0400 Received: from foss.arm.com ([217.140.110.172]:52850 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726752AbgDTRnp (ORCPT ); Mon, 20 Apr 2020 13:43:45 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AE4A231B; Mon, 20 Apr 2020 10:43:44 -0700 (PDT) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 46F603F73D; Mon, 20 Apr 2020 10:43:43 -0700 (PDT) References: <34d7c9496b77c928fcbe6085213115bd4d48d5a2.1587393807.git.yu.c.chen@intel.com> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Chen Yu Cc: Peter Zijlstra , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2][v2] sched: Make newidle_balance() static again In-reply-to: <34d7c9496b77c928fcbe6085213115bd4d48d5a2.1587393807.git.yu.c.chen@intel.com> Date: Mon, 20 Apr 2020 18:43:37 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/04/20 16:01, Chen Yu wrote: > After Commit 6e2df0581f56 ("sched: Fix pick_next_task() vs 'change' > pattern race"), there is no need to expose newidle_balance() as it > is only used within fair.c file. Change this function back to static again. > > No functional change. > That derelict 'idle_balance()' is a funny one. Reviewed-by: Valentin Schneider > Suggested-by: Peter Zijlstra > Reported-by: kbuild test robot > Signed-off-by: Chen Yu > --- > v2: Rename the remaining idle_balance() to newidle_balance() > to fix an compile error when CONFIG_SMP is not set.