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 1FB67C433FE for ; Wed, 9 Feb 2022 19:34:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 77FFA6B0074; Wed, 9 Feb 2022 14:34:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 72F786B0075; Wed, 9 Feb 2022 14:34:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 61E0D6B0078; Wed, 9 Feb 2022 14:34:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0177.hostedemail.com [216.40.44.177]) by kanga.kvack.org (Postfix) with ESMTP id 4F01F6B0074 for ; Wed, 9 Feb 2022 14:34:50 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 0224F8249980 for ; Wed, 9 Feb 2022 19:34:50 +0000 (UTC) X-FDA: 79124243940.28.151F584 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf02.hostedemail.com (Postfix) with ESMTP id 7610380005 for ; Wed, 9 Feb 2022 19:34:49 +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 dfw.source.kernel.org (Postfix) with ESMTPS id 6DC9161987; Wed, 9 Feb 2022 19:34:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B22CDC340E7; Wed, 9 Feb 2022 19:34:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1644435287; bh=UIA+zhOvsc303nxITrGoeAAaGY8Ak/lfIXkmQjRdOIM=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ibp/z0GhzNLg8qDXJH6RWk6fS2kpJg4qYw0jwDi8/zGHZ80kQ/1lPTej++o/ceRbO MOfLS3N49ee0f6LtpduKKt3Nhdr7TDIedwrw+HLKvmxvhqtal3wDVtgtTh6qvHJI8e 30Bml/CiVHDCqwVYRBNk0q7SY40H60yEvpZdsLwg= Date: Wed, 9 Feb 2022 11:34:46 -0800 From: Andrew Morton To: kernel test robot Cc: Linux Memory Management List , Alistair Popple Subject: Re: [linux-next:master] BUILD REGRESSION 10207e3a840b47b5eae573486a88fb6e29884f77 Message-Id: <20220209113446.b8d3261e881e4780dd5f0dc7@linux-foundation.org> In-Reply-To: <62040d19.VuzxHXu6YHcwxBQ1%lkp@intel.com> References: <62040d19.VuzxHXu6YHcwxBQ1%lkp@intel.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b="ibp/z0Gh"; dmarc=none; spf=pass (imf02.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspamd-Server: rspam03 X-Rspam-User: X-Stat-Signature: 5ukwq5yk8f7pqd7yfuyxidqpkuj6y1he X-Rspamd-Queue-Id: 7610380005 X-HE-Tag: 1644435289-973047 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, 10 Feb 2022 02:51:05 +0800 kernel test robot wrote: > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > branch HEAD: 10207e3a840b47b5eae573486a88fb6e29884f77 Add linux-next specific files for 20220209 > > Error/Warning reports: > > https://lore.kernel.org/linux-mm/202201251833.Hon4gcuF-lkp@intel.com > https://lore.kernel.org/linux-mm/202201290705.x0MS0OCH-lkp@intel.com > https://lore.kernel.org/llvm/202202092059.9gegO2oq-lkp@intel.com > > ... > > ld: gup.c:(.text+0x1eff): undefined reference to `migrate_vma_pages' > ld: gup.c:(.text+0x1f44): undefined reference to `migrate_vma_finalize' Presumably CONFIG_MIGRATION=y, CONFIG_DEVICE_PRIVATE=n, so these functions aren't built. Methinks Alistair's "mm/gup.c: migrate device coherent pages when pinning instead of failing" needs some repair, please.