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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B3921C2D0EC for ; Fri, 10 Apr 2020 21:32:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 773D220753 for ; Fri, 10 Apr 2020 21:32:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="f0HYzoGb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 773D220753 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 211D08E0069; Fri, 10 Apr 2020 17:32:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1C1C38E0067; Fri, 10 Apr 2020 17:32:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 126CB8E0069; Fri, 10 Apr 2020 17:32:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0091.hostedemail.com [216.40.44.91]) by kanga.kvack.org (Postfix) with ESMTP id EE3A98E0067 for ; Fri, 10 Apr 2020 17:32:33 -0400 (EDT) Received: from smtpin05.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id AF0AEB79E for ; Fri, 10 Apr 2020 21:32:33 +0000 (UTC) X-FDA: 76693244586.05.beds96_336e9e7cdd65a X-HE-Tag: beds96_336e9e7cdd65a X-Filterd-Recvd-Size: 2511 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf18.hostedemail.com (Postfix) with ESMTP for ; Fri, 10 Apr 2020 21:32:33 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6C3A021556; Fri, 10 Apr 2020 21:32:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586554352; bh=6xqkASXPUIgdCeBP6FlnJ4GTxDT9bshk5BtWNeQt3hY=; h=Date:From:To:Subject:In-Reply-To:From; b=f0HYzoGbeKkv6qIUvUJc6c2PFe1erevDQlKIuVvd4Ecjibvwg0P5XJR3oEesAiNoO 23W3uItr69Q2pVK6JjgIG8xo1SEOdwe/wpWnXylyo9crbbuTWTWhylI/zSfzRhkxDr tqxEVyZWPWatn0tRlHfY4CbA2OvXtiQudZTscEa4= Date: Fri, 10 Apr 2020 14:32:32 -0700 From: Andrew Morton To: akpm@linux-foundation.org, hulkci@huawei.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, yanaijie@huawei.com Subject: [patch 06/35] mm/page_alloc: make pcpu_drain_mutex and pcpu_drain static Message-ID: <20200410213232.hoECoQN6w%akpm@linux-foundation.org> In-Reply-To: <20200410143047.bf34a933ce1affdc042c7c80@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Jason Yan Subject: mm/page_alloc: make pcpu_drain_mutex and pcpu_drain static Fix the following sparse warning: mm/page_alloc.c:106:1: warning: symbol 'pcpu_drain_mutex' was not declared. Should it be static? mm/page_alloc.c:107:1: warning: symbol '__pcpu_scope_pcpu_drain' was not declared. Should it be static? Link: http://lkml.kernel.org/r/20200407023925.46438-1-yanaijie@huawei.com Signed-off-by: Jason Yan Reported-by: Hulk Robot Signed-off-by: Andrew Morton --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-make-pcpu_drain_mutex-and-pcpu_drain-static +++ a/mm/page_alloc.c @@ -103,8 +103,8 @@ struct pcpu_drain { struct zone *zone; struct work_struct work; }; -DEFINE_MUTEX(pcpu_drain_mutex); -DEFINE_PER_CPU(struct pcpu_drain, pcpu_drain); +static DEFINE_MUTEX(pcpu_drain_mutex); +static DEFINE_PER_CPU(struct pcpu_drain, pcpu_drain); #ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY volatile unsigned long latent_entropy __latent_entropy; _