Received: by 10.223.185.116 with SMTP id b49csp1018980wrg; Fri, 16 Feb 2018 10:55:44 -0800 (PST) X-Google-Smtp-Source: AH8x227/G245ETgjnNT1r5CRr/I5ddt5huAC4ZdJu0DDzyA4C3nfFD+mqMHj1Hgv5i7Y/zW1+bUO X-Received: by 10.99.125.2 with SMTP id y2mr5894687pgc.423.1518807344519; Fri, 16 Feb 2018 10:55:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1518807344; cv=none; d=google.com; s=arc-20160816; b=oP2ktfxWUOhKU3YULxJQdMlREG8goBIOe8azPX0YIz3ds1Zk4fsk4anf+2XmTsif6k hkKVcFNtYhcON8uqYhIf+VNG8hEDHatU1/LCMLycO4h4nDBenmUi5OY3DEJqAZAySygF nFs2mJ8Lcykqo8XB3nmDLg99Ad7/nLtAvqyK16GbD+wefe+HEUxw6Wfk5pUC341djr3e z1PRM7QN5K4VUO07qQcEe8OIcpU72xcaqUp/xzESiCoR9kIdCmblva+5tmqjsHvh9yYp AvK8iOZnOyI2PhE4Lw1nZgShSHWYY9rGw/hFVUWuYi75xHs9VbcHKPIL+HE63Udr9EId crfA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=jR9Ux6RAbeYk8gR02tuhOLp6r+JIdvV3RkV+PdckvXw=; b=puEItRP3vweOqHwQDU+8M/wetUCAUIZTKmB34Y6sFiJUX5NJnDQ+lAc63hgzxuRU9A yhbdUDiY5Kdr5JqSZ7Ne4TvGQFS2I7DoKHnIlXSR4/sTGuAlXcQ9afES7dzk0JgUfu7u vHmQ3926FH4o26T9kynfFupUSqD443SywTSGY6HzryeO8kyKWC0hfE9PGAS3BxECKiaq NHCQEtDtt9JdLjnk3toEBS3sla4L+KuElMN+0sHGlC+Nw/5Zal13X9c7oTgv1VxBlsuU yWix1URRXzxdSOxaVqKjRCslSJ1hs2Tu8Q+RH1U8W+ShjgdcPqMhcupToHVdnWkO/0J8 vDQg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=qzhHMuqJ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n18si890632pfj.58.2018.02.16.10.55.29; Fri, 16 Feb 2018 10:55:44 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=qzhHMuqJ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932511AbeBPJt3 (ORCPT + 99 others); Fri, 16 Feb 2018 04:49:29 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:50834 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932325AbeBPJt2 (ORCPT ); Fri, 16 Feb 2018 04:49:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=jR9Ux6RAbeYk8gR02tuhOLp6r+JIdvV3RkV+PdckvXw=; b=qzhHMuqJRWnhvsuygzfuzwcTi 4vn0gj8oX1axEv34VxharH75ZKgw0C6gIzh7XjHnnKgiuZNyQqm0AQ90u6Hcxc7e75UbgBiidUnxT z7zSQ7cJenTK6Cb+U12V4D7gBmSlI/EKNXexZNaf7ZXYrg4F7svrVb41TjWuWsUxUdXDQ2hrcC1QL 0YPF64sDd6MEga4WCxTt7hEmLkODjP8jFy4gNiLHpASGcyuHDxzKpe/ChKDpK77QDqSaVE6MkISUP Oz4URC0Wlc8W35o6GnH6DtQPIJzUAG+Y6ML4CinBih4gjPHQTq1HvmNg2jCC+ejWhgOnHTSVpO5ZK J3s0XITuA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.89 #1 (Red Hat Linux)) id 1emcdx-00008d-4C; Fri, 16 Feb 2018 09:49:25 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 3F9C120279150; Fri, 16 Feb 2018 10:49:22 +0100 (CET) Date: Fri, 16 Feb 2018 10:49:22 +0100 From: Peter Zijlstra To: Juri Lelli Cc: Morten Rasmussen , mingo@redhat.com, valentin.schneider@arm.com, dietmar.eggemann@arm.com, vincent.guittot@linaro.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/7] sched: Rename root_domain->overload to should_idle_balance Message-ID: <20180216094922.GY25201@hirez.programming.kicks-ass.net> References: <1518711654-23503-1-git-send-email-morten.rasmussen@arm.com> <1518711654-23503-7-git-send-email-morten.rasmussen@arm.com> <20180216091402.GF8032@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180216091402.GF8032@localhost.localdomain> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 16, 2018 at 10:14:02AM +0100, Juri Lelli wrote: > > diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h > > index 7d324b706e67..4215438667e5 100644 > > --- a/kernel/sched/sched.h > > +++ b/kernel/sched/sched.h > > @@ -650,8 +650,12 @@ struct root_domain { > > cpumask_var_t span; > > cpumask_var_t online; > > > > - /* Indicate more than one runnable task for any CPU */ > > - bool overload; > > + /* > > + * Indicate whether the idle balance can be used to solve > > + * imbalance within the root domain. > > + * e.g. There is more than one runnable task for any CPU > > + */ > > + bool should_idle_balance; > > Current name is however consistent with RT/DL's naming convention Yeah, not a fan either. We've consistently used the term to mean nr_running>1. The thing to fix there is the stupid bool, not the name.