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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,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 8A23AC432C0 for ; Tue, 19 Nov 2019 12:24:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 56D6D222A4 for ; Tue, 19 Nov 2019 12:24:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56D6D222A4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CF13E6B000E; Tue, 19 Nov 2019 07:24:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CC8526B0010; Tue, 19 Nov 2019 07:24:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C058F6B0266; Tue, 19 Nov 2019 07:24:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id B04A96B000E for ; Tue, 19 Nov 2019 07:24:11 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with SMTP id 6FD5F181AEF0B for ; Tue, 19 Nov 2019 12:24:11 +0000 (UTC) X-FDA: 76172944302.14.price36_247aba5243100 X-HE-Tag: price36_247aba5243100 X-Filterd-Recvd-Size: 2469 Received: from out30-56.freemail.mail.aliyun.com (out30-56.freemail.mail.aliyun.com [115.124.30.56]) by imf47.hostedemail.com (Postfix) with ESMTP for ; Tue, 19 Nov 2019 12:24:10 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01f04427;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=14;SR=0;TI=SMTPD_---0TiZ64Bq_1574166244; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0TiZ64Bq_1574166244) by smtp.aliyun-inc.com(127.0.0.1); Tue, 19 Nov 2019 20:24:05 +0800 From: Alex Shi To: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, shakeelb@google.com, hannes@cmpxchg.org Cc: Alex Shi Subject: [PATCH v4 1/9] mm/swap: fix uninitialized compiler warning Date: Tue, 19 Nov 2019 20:23:15 +0800 Message-Id: <1574166203-151975-2-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1574166203-151975-1-git-send-email-alex.shi@linux.alibaba.com> References: <1574166203-151975-1-git-send-email-alex.shi@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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: ../mm/swap.c: In function =E2=80=98__page_cache_release=E2=80=99: ../mm/swap.c:67:10: warning: =E2=80=98flags=E2=80=99 may be used uninit= ialized in this function [-Wmaybe-uninitialized] lruvec =3D lock_page_lruvec_irqsave(page, pgdat, flags); ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Alex Shi Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/swap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/swap.c b/mm/swap.c index 5341ae93861f..c36a10244d07 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -62,7 +62,7 @@ static void __page_cache_release(struct page *page) if (PageLRU(page)) { pg_data_t *pgdat =3D page_pgdat(page); struct lruvec *lruvec; - unsigned long flags; + unsigned long flags =3D 0; =20 spin_lock_irqsave(&pgdat->lru_lock, flags); lruvec =3D mem_cgroup_page_lruvec(page, pgdat); --=20 1.8.3.1