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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0CADC433F5 for ; Tue, 10 May 2022 15:58:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345774AbiEJQCm (ORCPT ); Tue, 10 May 2022 12:02:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346666AbiEJPxE (ORCPT ); Tue, 10 May 2022 11:53:04 -0400 Received: from mail-qk1-x736.google.com (mail-qk1-x736.google.com [IPv6:2607:f8b0:4864:20::736]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1845E22BF3 for ; Tue, 10 May 2022 08:48:35 -0700 (PDT) Received: by mail-qk1-x736.google.com with SMTP id bs17so3927567qkb.0 for ; Tue, 10 May 2022 08:48:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=D+Ob9aaMTI9Q+iaXKEuKQQeHui5qUx1+hsZMR4tLjS0=; b=m3JS2xWyHZGT8NFfxmxtIl4Kh3WtP3p6ktBysoXoKHQZfpMSS9mj954iRRts2BK+4x 5V7E5hhsNujN1HE8zQf3BHFx1jVQxVL+bxJuXYr+VOSXa6/Z7UImjZDP5QW4s4KLQSGK O7ntbMP8KnCG3UuHo9UfUeBGDeg2ZmRlt27poMwOoedmk9qHCjOAiyBFhNS+6u5OfNiB x8kBJJnNjkDuLTj3HJOhxJF0WYU/EflANRB7UiVs3ebeAqc3iROH9kbT7WxXa7cJSARi bfohBsS4MHhavuITe9Vnw034NHl85wD+fvOAN3sngzOFJ9q5K+SKxhlLW1RwJcdoNJWh MBoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=D+Ob9aaMTI9Q+iaXKEuKQQeHui5qUx1+hsZMR4tLjS0=; b=rv1DyD3ZvkLqjVqXfWnuZrFE12RkR97Ghgfhjcqare3woqIwrChOGQ5tELlzPVSS9i uLXsGNNtBl3aMNWhpui99aVtbS7ubreNu+kX2Lvzem8iDQDVpetn5r/0iyz510xstmmd etIRLIewxo/jvrsA35rFLSfTKS8NQv7m94+Nwc0VNHJ2Ad6u6YcV2ddR0THb/NUAcfZ/ 3Lb9w4DN/Y21t2GQmmqLqe3KRB05AESwjH2LJwuO4SDZAD4R3ZgumVq3yPeRkB6cWGdh /SJbzotk3KBmD689xOPbB2vQDbG47UCk1YXHnuAnDMrOg6Z5+7YpJ7q/kP8QfMUCYsO6 qOig== X-Gm-Message-State: AOAM53178kEBuoCGs+/29ZygyRm0NoXwO/CTXPIIRHx3YXTVUoHmcZXs 4PGDYu6o+T1sT09UmHicMck= X-Google-Smtp-Source: ABdhPJy7WcqEGMFnf1b1ICGoUibKPJ7NRXwYXnzdxR/WUgi4c3o3Cpj0wm14DTQWFGpYYDNwuZqdgA== X-Received: by 2002:a05:620a:4142:b0:6a0:4a07:2027 with SMTP id k2-20020a05620a414200b006a04a072027mr14025416qko.517.1652197713811; Tue, 10 May 2022 08:48:33 -0700 (PDT) Received: from localhost ([98.242.65.84]) by smtp.gmail.com with ESMTPSA id j133-20020a37a08b000000b0069fc13ce1ddsm8907813qke.14.2022.05.10.08.48.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 May 2022 08:48:33 -0700 (PDT) From: Yury Norov To: Andy Shevchenko , David Laight , Greg Kroah-Hartman , Joe Perches , Julia Lawall , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , Nicholas Piggin , Nicolas Palix , Peter Zijlstra , Rasmus Villemoes , Matti Vaittinen , linux-kernel@vger.kernel.org Cc: Yury Norov , Ben Segall , Daniel Bristot de Oliveira , Dietmar Eggemann , Ingo Molnar , Juri Lelli , Mel Gorman , Steven Rostedt , Valentin Schneider , Vincent Guittot Subject: [PATCH 20/22] sched/topology: replace cpumask_weight() with cpumask_weight_eq() where appropriate Date: Tue, 10 May 2022 08:47:48 -0700 Message-Id: <20220510154750.212913-21-yury.norov@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220510154750.212913-1-yury.norov@gmail.com> References: <20220510154750.212913-1-yury.norov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replace cpumask_weight() with cpumask_weight_eq(..., 1) because it may return earlier. CC: Ben Segall CC: Daniel Bristot de Oliveira CC: Dietmar Eggemann CC: Ingo Molnar CC: Juri Lelli CC: Mel Gorman CC: Peter Zijlstra CC: Steven Rostedt CC: Valentin Schneider CC: Vincent Guittot CC: linux-kernel@vger.kernel.org Signed-off-by: Yury Norov --- kernel/sched/topology.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 05b6c2ad90b9..860137913b18 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -168,7 +168,7 @@ static const unsigned int SD_DEGENERATE_GROUPS_MASK = static int sd_degenerate(struct sched_domain *sd) { - if (cpumask_weight(sched_domain_span(sd)) == 1) + if (cpumask_weight_eq(sched_domain_span(sd), 1)) return 1; /* Following flags need at least 2 groups */ @@ -1999,7 +1999,7 @@ void sched_update_numa(int cpu, bool online) * Scheduler NUMA topology is updated when the first CPU of a * node is onlined or the last CPU of a node is offlined. */ - if (cpumask_weight(cpumask_of_node(node)) != 1) + if (!cpumask_weight_eq(cpumask_of_node(node), 1)) return; sched_reset_numa(); -- 2.32.0