Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752199Ab2BPQCb (ORCPT ); Thu, 16 Feb 2012 11:02:31 -0500 Received: from casper.infradead.org ([85.118.1.10]:60925 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751708Ab2BPQCa convert rfc822-to-8bit (ORCPT ); Thu, 16 Feb 2012 11:02:30 -0500 Message-ID: <1329408142.2293.241.camel@twins> Subject: Re: [RFC PATCH 05/14] sched: account for blocked load waking back up From: Peter Zijlstra To: Paul Turner Cc: linux-kernel@vger.kernel.org, Venki Pallipadi , Srivatsa Vaddagiri , Mike Galbraith , Kamalesh Babulal , Ben Segall , Ingo Molnar , Vaidyanathan Srinivasan Date: Thu, 16 Feb 2012 17:02:22 +0100 In-Reply-To: <20120202013826.20844.47587.stgit@kitami.mtv.corp.google.com> References: <20120202013825.20844.26081.stgit@kitami.mtv.corp.google.com> <20120202013826.20844.47587.stgit@kitami.mtv.corp.google.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 543 Lines: 15 On Wed, 2012-02-01 at 17:38 -0800, Paul Turner wrote: > u64 last_runnable_update, decay_count; > + /* we track migrations using entity decay_count == 0 */ > + if (unlikely(se->avg.decay_count <= 0)) { !sleep dequeue isn't migrate only, also, <= 0 on an unsigned is weird. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/