From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F574C10DCE for ; Wed, 18 Mar 2020 11:11:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4ECE2076D for ; Wed, 18 Mar 2020 11:11:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="If4ikD3F" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727705AbgCRLLT (ORCPT ); Wed, 18 Mar 2020 07:11:19 -0400 Received: from merlin.infradead.org ([205.233.59.134]:52822 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727144AbgCRLLT (ORCPT ); Wed, 18 Mar 2020 07:11:19 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=oooF/CiXm0kuOdVPSQzsBNN53ECZtpWwj04MDqQMoOM=; b=If4ikD3FN9UgSYsml8er58Q8Pq h1ZFmyurBcjP9DIJvKdLZCd7yCuepSxkMZVnLQT5IXL9MQHMGSf0X8TTeUWxnT2y2Yh3qnSQhcFyq zKvozujouZWn8/Wc+N7gLOrKGlzUbF4XTfAWidvlLp1dAOGt14xaZ+qQhmDpFBwvPpCT80W8G7IXp Bx11Yps51HSHbLLZlPUhoAeziqJw4UfeMaROIFAp8T3hczXsestkw+/WUVllkSPjYpRItNGrXJ1is uuzSzNeFUknYwvReoi4uABBM+VD9r74epFnmR57ERaE2CyCR8LEgFDXhwuQR/EoVlcNiuPLN4cmZK GzhTyQJQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jEWb5-0000N9-S3; Wed, 18 Mar 2020 11:10:52 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id C01C130047A; Wed, 18 Mar 2020 12:10:48 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A30A620427392; Wed, 18 Mar 2020 12:10:48 +0100 (CET) Date: Wed, 18 Mar 2020 12:10:48 +0100 From: Peter Zijlstra To: =?utf-8?B?546L6LSH?= Cc: Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , "open list:SCHEDULER" Subject: Re: [PATCH v2] sched: avoid scale real weight down to zero Message-ID: <20200318111048.GF20730@hirez.programming.kicks-ass.net> References: <38e8e212-59a1-64b2-b247-b6d0b52d8dc1@linux.alibaba.com> <234bfc8a-c60d-c375-f681-e4230d8c5a20@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <234bfc8a-c60d-c375-f681-e4230d8c5a20@linux.alibaba.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 18, 2020 at 10:23:49AM +0800, 王贇 wrote: > Hi Peter, Vincent > > My apologies to missing the case when CONFIG_FAIR_GROUP_SCHED > is disabled, I've replaced the MIN_SHARE with 2UL as it was > defined, sorry for the trouble... No worries, that's what we have those robots for ;-) I'll update the patch and send it off again shortly.