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=-9.8 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 1BE5DC2BA1A for ; Tue, 7 Apr 2020 02:41:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E8D25206F5 for ; Tue, 7 Apr 2020 02:41:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E8D25206F5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9564B8E0005; Mon, 6 Apr 2020 22:41:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8DFD18E0001; Mon, 6 Apr 2020 22:41:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7CE8C8E0005; Mon, 6 Apr 2020 22:41:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0135.hostedemail.com [216.40.44.135]) by kanga.kvack.org (Postfix) with ESMTP id 60E998E0001 for ; Mon, 6 Apr 2020 22:41:03 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 153DB8013B1E for ; Tue, 7 Apr 2020 02:41:03 +0000 (UTC) X-FDA: 76679506806.13.dust98_26374912db635 X-HE-Tag: dust98_26374912db635 X-Filterd-Recvd-Size: 1915 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Tue, 7 Apr 2020 02:41:02 +0000 (UTC) Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 878BD98D81384AD05C4B; Tue, 7 Apr 2020 10:40:57 +0800 (CST) Received: from huawei.com (10.175.124.28) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Tue, 7 Apr 2020 10:40:51 +0800 From: Jason Yan To: , CC: Jason Yan Subject: [PATCH] mm/page_alloc: make pcpu_drain_mutex and pcpu_drain static Date: Tue, 7 Apr 2020 10:39:25 +0800 Message-ID: <20200407023925.46438-1-yanaijie@huawei.com> X-Mailer: git-send-email 2.17.2 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected 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: 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? Reported-by: Hulk Robot Signed-off-by: Jason Yan --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 84c04eb0ca68..0733f6f30590 100644 --- a/mm/page_alloc.c +++ b/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; -- 2.17.2