Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752730AbcKRP2n (ORCPT ); Fri, 18 Nov 2016 10:28:43 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:53535 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752007AbcKRP2m (ORCPT ); Fri, 18 Nov 2016 10:28:42 -0500 Date: Fri, 18 Nov 2016 16:28:40 +0100 From: Peter Zijlstra To: luca abeni Cc: Steven Rostedt , Daniel Bristot de Oliveira , linux-kernel@vger.kernel.org, Ingo Molnar , Juri Lelli , Claudio Scordino Subject: Re: [RFC v3 1/6] Track the active utilisation Message-ID: <20161118152840.GU3117@twins.programming.kicks-ass.net> References: <1477317998-7487-1-git-send-email-luca.abeni@unitn.it> <1477317998-7487-2-git-send-email-luca.abeni@unitn.it> <20161025112916.67eb245c@utopia> <20161025095811.50a5856a@gandalf.local.home> <20161118142359.GK3142@twins.programming.kicks-ass.net> <20161118161017.45e19cb9@sweethome> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161118161017.45e19cb9@sweethome> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 309 Lines: 8 On Fri, Nov 18, 2016 at 04:10:17PM +0100, luca abeni wrote: > Ok; I originally made it signed because I wanted the "running_bw < 0" > check, but I can change it to "dl_rq->running_bw > old" (I did not > think about it). Happy accident of me staring at unsigned over/under-flow for the past several days :-)