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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 666C3C43334 for ; Sun, 17 Jul 2022 01:03:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E744B6B0085; Sat, 16 Jul 2022 21:03:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E24086B0087; Sat, 16 Jul 2022 21:03:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D13CF6B0088; Sat, 16 Jul 2022 21:03:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id C24DD6B0085 for ; Sat, 16 Jul 2022 21:03:24 -0400 (EDT) Received: from smtpin18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 83B1035055 for ; Sun, 17 Jul 2022 01:03:24 +0000 (UTC) X-FDA: 79694793528.18.4FC5311 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf28.hostedemail.com (Postfix) with ESMTP id ED01AC0042 for ; Sun, 17 Jul 2022 01:03:23 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CA798B80D25; Sun, 17 Jul 2022 01:03:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC3D9C34114; Sun, 17 Jul 2022 01:03:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1658019800; bh=6lc/voAQIIG/VXdHbLyxYL355ctKMSS9UlOTlBJJc5M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Sw9ul5PuP/4fE7uKc3VlIVRaBEoakbFDaYCGWJHTFjycO+AgF6qNbNi5u2iBJeXDp sYnWDsGhwiTkyThp5t5aQ0C/lMHv6VuJ0Z6rME8aCGUX4MXpTjLcr+Kletb3vec3he 80zU0cipj0Hxdfz/9huBPSv3Dls8N5M6qQ90iIlY= Date: Sat, 16 Jul 2022 18:03:19 -0700 From: Andrew Morton To: kernel test robot Cc: ntfs3@lists.linux.dev, linux-pci@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-can@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, dri-devel@lists.freedesktop.org, bpf@vger.kernel.org, Liam Howlett Subject: Re: [linux-next:master] BUILD REGRESSION 4662b7adea50bb62e993a67f611f3be625d3df0d Message-Id: <20220716180319.dcb09d8ce9519368695c1108@linux-foundation.org> In-Reply-To: <62cf77c3.3T/sxYUjJq0ImGp4%lkp@intel.com> References: <62cf77c3.3T/sxYUjJq0ImGp4%lkp@intel.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1658019804; a=rsa-sha256; cv=none; b=5i9cAL7CHGXVN+RgJ1Qcq0J2N7ocFOaYBdSdHzW5eE9HygKibjscWh6JO2qthMffiIBp4y B2JUU43H8GNNlrtiJuP33kQzqGO9mpR4wPQzCBpLLDoAmL7IlNkEdk2D5DIb2vLpTumlj+ aZ8A4fT8sXrlIqd4rf2Moe7yUSTw8fk= ARC-Authentication-Results: i=1; imf28.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Sw9ul5Pu; dmarc=none; spf=pass (imf28.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1658019804; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6lc/voAQIIG/VXdHbLyxYL355ctKMSS9UlOTlBJJc5M=; b=bhCad5lBNummGsUe5XpJ46aXWIrvek/1j7Gn+Xax+axFV/kT4TOyk2gpsysQrmxZ0l1JNH imPLuF/K2/pd6nvN1nsBe3d5NiSsyV8wlmhhGCvhCUmFvsFxDg9Bc3WzFu2GqEyvpOQSk1 nZG5Iwb9pJYHbei7BcT4yWqIMww10ZE= X-Rspamd-Queue-Id: ED01AC0042 X-Rspam-User: Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Sw9ul5Pu; dmarc=none; spf=pass (imf28.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspamd-Server: rspam08 X-Stat-Signature: gq14shsu6ynzdwxpai447rsd7gb1941n X-HE-Tag: 1658019803-82947 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: On Thu, 14 Jul 2022 09:56:19 +0800 kernel test robot wrote: > lib/maple_tree.c:1522:52: warning: Parameter 'gaps' can be declared with const [constParameter] > lib/maple_tree.c:1871:21: warning: Array index 'split' is used before limits check. [arrayIndexThenCheck] > lib/maple_tree.c:2033:55: warning: Parameter 'mas' can be declared with const [constParameter] > lib/maple_tree.c:2426:8: warning: Redundant initialization for 'r_tmp'. The initialized value is overwritten before it is read. [redundantInitialization] > lib/maple_tree.c:2427:8: warning: Redundant initialization for 'l_tmp'. The initialized value is overwritten before it is read. [redundantInitialization] > lib/maple_tree.c:3160:22: warning: Found suspicious operator ',' [constStatement] > lib/maple_tree.c:3208:11: warning: Size of pointer 'pivs' used instead of size of its data. [pointerSize] > lib/maple_tree.c:326:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg] > lib/maple_tree.c:4266:15: warning: The if condition is the same as the previous if condition [duplicateCondition] > lib/maple_tree.c:4302:23: warning: Boolean result is used in bitwise operation. Clarify expression with parentheses. [clarifyCondition] > lib/maple_tree.c:694:59: warning: Parameter 'pivots' can be declared with const [constParameter] > lib/test_printf.c:415:11: warning: Local variable 'addr' shadows outer function [shadowFunction] > mm/highmem.c:737:13: warning: Uninitialized variable: pam->page [uninitvar] > mm/migrate.c:355:53: warning: Parameter 'mapping' can be declared with const [constParameter] > mm/migrate.c:875:7: warning: Redundant initialization for 'rc'. The initialized value is overwritten before it is read. [redundantInitialization] > mm/mlock.c:230:20: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] > mm/slab.c:1635:24: warning: Uninitialized variables: slab.__page_flags, slab.__unused_1, slab.freelist, slab.units, slab.__unused_2, slab.__page_refcount [uninitvar] > mm/slab.c:3289:7: warning: Redundant assignment of 'objp' to itself. [selfAssignment] > mm/slab.c:3509:8: warning: Redundant assignment of 'p[i]' to itself. [selfAssignment] > mm/slab.c:405:9: warning: Local variable 'slab_size' shadows outer function [shadowFunction] > mm/vmstat.c:1409:53: warning: Parameter 'pos' can be declared with const [constParameter] > mm/vmstat.c:1650:68: warning: Parameter 'zone' can be declared with const [constParameter] > mm/zsmalloc.c:2019:15: warning: Uninitialized variables: zspage.huge, zspage.fullness, zspage.class, zspage.isolated, zspage.magic, zspage.inuse, zspage.freeobj, zspage.first_page, zspage.lock [uninitvar] > mm/zsmalloc.c:2060:16: warning: Local variable 'obj_allocated' shadows outer function [shadowFunction] urgh, thanks, lots of stuff to go through here. Liam, I suggest we worry about the mapletree things at a later time ;)