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[2003:cb:c705:8900:d1f:5430:86b1:31ba]) by smtp.gmail.com with ESMTPSA id r14-20020a056000014e00b0022e51c5222esm10687385wrx.86.2022.10.18.04.22.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Oct 2022 04:22:05 -0700 (PDT) Message-ID: <6154cb02-79d4-481c-b88d-33f5cde45738@redhat.com> Date: Tue, 18 Oct 2022 13:22:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [akpm-mm:mm-unstable 76/100] mm/ksm.c:423:5: warning: no previous prototype for 'break_ksm_pud_entry' To: kernel test robot Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List References: <202210181850.NTVfp2SW-lkp@intel.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <202210181850.NTVfp2SW-lkp@intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666092132; a=rsa-sha256; cv=none; b=herXopBCKWb830qiW4PHOpK0fxClo7EzMBLbCfQjmDXWaUIVTZuu0iYC6y1NuYjqXc1DUB 8chT9QzMh3hvRCJJvb8r/4PB7mdcZqczY7+ADc6mRdcF7Y1jmTzGqcun5CB+vsESG8Jc5C XDSQD4GmPO0QWCuLg61ONCwBUegIreI= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=cfoNqqrw; spf=pass (imf15.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666092132; 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=AXkk/TJRt0g740mma5eSU1gKEx5XPe7qX5hV83DWnhU=; b=JiA0nZdIujwY7dZxV3GlmarJUjc86h6BZcjYZJyh2F+hKK2Ved0rWsqh+rb5F670LOXhXp GVsjs5bb2//YUxdp+gLM2TdmB1JLsGSw/mXj63AJXduSfvyfOxUpf+g6iIsR4Gf6/FZ46D xxgA7XVAgeUkXZlcbA7MsKcD+CtTF+4= X-Stat-Signature: gw75fpgxfbztpb486dycyziozzzjkqx6 X-Rspamd-Queue-Id: 8F0A5A0031 X-Rspam-User: X-Rspamd-Server: rspam03 Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=cfoNqqrw; spf=pass (imf15.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-HE-Tag: 1666092131-659005 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 18.10.22 12:53, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: f5938bbbb79d48ca167e305c228dccbecea0309e > commit: 268ae2f9f2a7303079739cb975348a8ede4cda1d [76/100] mm/ksm: convert break_ksm() to use walk_page_range_vma() > config: arc-randconfig-r043-20221017 > compiler: arceb-elf-gcc (GCC) 12.1.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=268ae2f9f2a7303079739cb975348a8ede4cda1d > git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git > git fetch --no-tags akpm-mm mm-unstable > git checkout 268ae2f9f2a7303079739cb975348a8ede4cda1d > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > >>> mm/ksm.c:423:5: warning: no previous prototype for 'break_ksm_pud_entry' [-Wmissing-prototypes] > 423 | int break_ksm_pud_entry(pud_t *pud, unsigned long addr, unsigned long next, > | ^~~~~~~~~~~~~~~~~~~ >>> mm/ksm.c:432:5: warning: no previous prototype for 'break_ksm_pmd_entry' [-Wmissing-prototypes] > 432 | int break_ksm_pmd_entry(pmd_t *pmd, unsigned long addr, unsigned long next, > | ^~~~~~~~~~~~~~~~~~~ > Right, both should be static. I'll be sending an updated patch set that removes break_ksm_pud_entry soonish (busy doing all kinds of other stuff). -- Thanks, David / dhildenb