From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8BD4D136672; Tue, 2 Dec 2025 01:06:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764637617; cv=none; b=W1aHyXG1c/iOSWBHHfoi4I2jwr7F1tmHjPjrUx9bM0UwLZ/ETh2yQQDvfQEQcVuVCGGFhPh2hsB4AdwzrALyNyw5WwEf7GqhTyUQPakQ33gSCTG3oBYIIL6Khnc3cdbJmnUDpH453KUIRyw5SGOtP2IBsHwcCd1ekFCeAAGHEOM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764637617; c=relaxed/simple; bh=Jjq8SuepqBFrLbWMv7HAS5lnFc5i5C6b/W/wJCH+GG4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Chip1ngpH0Cnm+zad/n1mk6BqZpljRhj0fVVM0GuFeZPTMTDXAMRRvSDf4y06yu/epM4CGvPBWdq6vduyTF9PlvTcqcoe9LPAQTqLSk+fasXQLXIK6ripenF252JNJa+yrthyYTozPZ1M5WIn9M3rLZ290geSYgV8cxaYS6IchU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NfZ3vo15; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NfZ3vo15" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D737AC4CEF1; Tue, 2 Dec 2025 01:06:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764637617; bh=Jjq8SuepqBFrLbWMv7HAS5lnFc5i5C6b/W/wJCH+GG4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NfZ3vo15nvOPh8pjC7ubSkFCDa5ZH+Vxc6i7Vq9pIpDnhNLFYBZDoGcNXKlpolZBL 3QVzNFLGYZJzsn5H4T0xXChovitptTU0tQv5EoiIfzRnJ94P5cItBeREOoyid2Tr3q 5OQ5sEA9O5eT7uZNon996ye/DJXAl+Gnkijr8advnDCdnimLE5W7u+kSrI6Q0YYRYv ZW+kBETJYQkbHTYoEfdRBFKxoyMcTGdQ8XhRt0Krz5zzKuBWaVPTF8MEso8opxPaG0 tvH7jrNBLYWFS2XPEW6ID6sVyRTSovOT/2pC6G1sQnQm4wUcIR58+9w/Rm08+WxKxN 8Z118+qQGIhEA== From: SeongJae Park To: kernel test robot Cc: SeongJae Park , oe-kbuild@lists.linux.dev, damon@lists.linux.dev Subject: Re: [sj:damon/next 145/145] mm/memory.c:6213:9: error: implicit declaration of function 'damon_report_page_fault' Date: Mon, 1 Dec 2025 17:06:48 -0800 Message-ID: <20251202010649.71271-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <202512011308.JsZqQIqQ-lkp@intel.com> References: Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Mon, 1 Dec 2025 13:19:13 +0800 kernel test robot wrote: > :::::: > :::::: Manual check reason: "low confidence bisect report" > :::::: > > BCC: lkp@intel.com > CC: oe-kbuild-all@lists.linux.dev > TO: SeongJae Park > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/sj/linux.git damon/next > head: 3fdd82439d28bd0bc5eeb347a6e96569ae05ec92 > commit: 3fdd82439d28bd0bc5eeb347a6e96569ae05ec92 [145/145] mm/memory: move fault reporting into damon > :::::: branch date: 7 hours ago > :::::: commit date: 7 hours ago > config: riscv-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20251201/202512011308.JsZqQIqQ-lkp@intel.com/config) > compiler: riscv64-linux-gcc (GCC) 15.1.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251201/202512011308.JsZqQIqQ-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/r/202512011308.JsZqQIqQ-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > mm/memory.c: In function 'do_damon_page': > >> mm/memory.c:6213:9: error: implicit declaration of function 'damon_report_page_fault' [-Wimplicit-function-declaration] > 6213 | damon_report_page_fault(vmf, huge_pmd); > | ^~~~~~~~~~~~~~~~~~~~~~~ Thank you for this report! Seems this happens when COFNIG_DAMON is unset. I just pushed a fix: http://git.kernel.org/sj/c/47b20fdc07850bd8f Thanks, SJ [...]