From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753973AbcFPJyu (ORCPT ); Thu, 16 Jun 2016 05:54:50 -0400 Received: from mga02.intel.com ([134.134.136.20]:42227 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752063AbcFPJys (ORCPT ); Thu, 16 Jun 2016 05:54:48 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,478,1459839600"; d="scan'208";a="976901043" Date: Thu, 16 Jun 2016 09:57:59 +0800 From: Yuyang Du To: peterz@infradead.org, mingo@kernel.org, linux-kernel@vger.kernel.org Cc: umgwanakikbuti@gmail.com, bsegall@google.com, pjt@google.com, morten.rasmussen@arm.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, matt@codeblueprint.co.uk Subject: Re: [RFC PATCH 11/11] sched/fair: Refactor select_task_rq_fair() Message-ID: <20160616015759.GP8105@intel.com> References: <1466041775-4528-1-git-send-email-yuyang.du@intel.com> <1466041775-4528-12-git-send-email-yuyang.du@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1466041775-4528-12-git-send-email-yuyang.du@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 16, 2016 at 09:49:35AM +0800, Yuyang Du wrote: > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index f15461f..1ab41b8 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -4986,12 +4986,14 @@ static void record_wakee(struct task_struct *p) > */ > if (time_after(jiffies, current->wakee_flip_decay_ts + HZ)) { > current->wakee_flips >>= 1; > + current->wakee_count >>= 1; > current->wakee_flip_decay_ts = jiffies; > } > > if (current->last_wakee != p) { > current->last_wakee = p; > current->wakee_flips++; > } So sorry that: current->wakee_count++; should be moved out of the if statement.