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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 90DCAC04AB0 for ; Sat, 25 May 2019 08:22:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F8432075B for ; Sat, 25 May 2019 08:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726807AbfEYIWc (ORCPT ); Sat, 25 May 2019 04:22:32 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:38218 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726490AbfEYIWK (ORCPT ); Sat, 25 May 2019 04:22:10 -0400 Received: by mail-pg1-f194.google.com with SMTP id v11so6321261pgl.5 for ; Sat, 25 May 2019 01:22:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=48u0PwnCDa09vr9bgebppMgyNwBGmRwi4lt0TdUJEaY=; b=FG1ICPGDvXvAo8Oa2I4ZBObjzMbFdcbcuP1AO6uyCv+hzeGVAxbt/6We8aE4w5CmNU ymqbsMkWM+GRw3UOfl6fzl4+7RsW12RlmJqxlOYvRBLo8kJFq9SANy/aG2KQixdq7JQ3 sC0ZAikylga9SCT30ME/TZK1YZHAr1Sb/2p45JPu5QE7fF8kFsa2MV48FCw16BW3R3EK v2X93JksqwJhqJdqfqGCmByRiK4hmwhjxj21A7FcNaOZlE6Ba/CEPI2UhC8Nu1cV0v7H xE0OlqvdcVd378LknrtpDvk65UDm0z2iAthDXh9Og3CieaWs1sbFAQMWbhKEVYbczXy/ mN4A== X-Gm-Message-State: APjAAAUceAAsw+U4TJNTKn3I/ywICeHAcbOwBRU2Tqvj1LkZXk8cdTCF p9bLBOo3hM6lUccUcCKYP9NGDBkkBbE= X-Google-Smtp-Source: APXvYqwVcdkBJUMVKFiHu69a50JwEA9lQ8zGza+WrIiMnZa1IxfWOrOmH0QrQMOtV4IDJG+c3guONw== X-Received: by 2002:a65:418d:: with SMTP id a13mr6577149pgq.332.1558772529989; Sat, 25 May 2019 01:22:09 -0700 (PDT) Received: from htb-2n-eng-dhcp405.eng.vmware.com ([66.170.99.1]) by smtp.gmail.com with ESMTPSA id e4sm1438505pgi.80.2019.05.25.01.22.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 25 May 2019 01:22:09 -0700 (PDT) From: Nadav Amit To: Ingo Molnar , Peter Zijlstra , Andy Lutomirski Cc: Borislav Petkov , linux-kernel@vger.kernel.org, Nadav Amit , "David S. Miller" Subject: [RFC PATCH 2/6] cpumask: Purify cpumask_next() Date: Sat, 25 May 2019 01:21:59 -0700 Message-Id: <20190525082203.6531-3-namit@vmware.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190525082203.6531-1-namit@vmware.com> References: <20190525082203.6531-1-namit@vmware.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org cpumask_next() has no side-effects. Mark it as pure. Cc: "David S. Miller" Signed-off-by: Nadav Amit --- include/linux/cpumask.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 147bdec42215..20df46705f9c 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -209,7 +209,7 @@ static inline unsigned int cpumask_last(const struct cpumask *srcp) return find_last_bit(cpumask_bits(srcp), nr_cpumask_bits); } -unsigned int cpumask_next(int n, const struct cpumask *srcp); +unsigned int __pure cpumask_next(int n, const struct cpumask *srcp); /** * cpumask_next_zero - get the next unset cpu in a cpumask -- 2.20.1