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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 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 B0D3AC32751 for ; Wed, 31 Jul 2019 06:28:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8DFAA206A3 for ; Wed, 31 Jul 2019 06:28:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727531AbfGaG2T (ORCPT ); Wed, 31 Jul 2019 02:28:19 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:39097 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727479AbfGaG2R (ORCPT ); Wed, 31 Jul 2019 02:28:17 -0400 X-UUID: be7293d6d19b4eff8b14efb567f5b460-20190731 X-UUID: be7293d6d19b4eff8b14efb567f5b460-20190731 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0707 with TLS) with ESMTP id 1463714770; Wed, 31 Jul 2019 14:28:10 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 31 Jul 2019 14:28:04 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 31 Jul 2019 14:28:04 +0800 Message-ID: <1564554484.28000.3.camel@mtkswgap22> Subject: Re: linux-next: build warning after merge of the akpm-current tree From: Miles Chen To: Stephen Rothwell CC: Andrew Morton , Linux Next Mailing List , Linux Kernel Mailing List Date: Wed, 31 Jul 2019 14:28:04 +0800 In-Reply-To: <20190731161151.26ef081e@canb.auug.org.au> References: <20190731161151.26ef081e@canb.auug.org.au> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit MIME-Version: 1.0 X-TM-SNTS-SMTP: F9A6698179806194C69ED63691B213C0C26E3B2D449056AD4A5BFEBD37F7919F2000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-07-31 at 16:11 +1000, Stephen Rothwell wrote: > Hi all, > > After merging the akpm-current tree, today's linux-next build (powerpc > ppc64_defconfig) produced this warning: > > mm/memcontrol.c: In function 'invalidate_reclaim_iterators': > mm/memcontrol.c:1160:11: warning: suggest parentheses around assignment used as truth value [-Wparentheses] > } while (memcg = parent_mem_cgroup(memcg)); > ^~~~~ > Hi Stephen, Thanks for the telling me this. Sorry for the build warning. Should I send patch v5 to the mailing list to fix this? Miles > Introduced by commit > > c48a2f5ce935 ("mm/memcontrol.c: fix use after free in mem_cgroup_iter()") >