From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 173E530DEB0 for ; Thu, 2 Jul 2026 03:08:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782961685; cv=none; b=XmEz7x6lwoICDuZZgh1aJ3tA45y1Togf7+I3f7uoGkWUVOK/X4Xv8aSN0jwA2dBCbVPPQmwxzaYM/XXn6lw1z1ewevXKqONdMBtvcUAXh7W6TyAw4kw9HW4/TmKPWXuXr37E6dFw2VeTkG7e4QAlKFblwE41p1Vu2PqaFeUaVxI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782961685; c=relaxed/simple; bh=f/ioX1HrENMRjPiGv/fZZrikxRylQTUgGt+pXapfU7E=; h=Date:From:To:Cc:Subject:Message-ID; b=N/zHmMIULBjgVnpRof5VFy3Nq6d673bOKUCqeM4LLgxCtobeD6/5qiezwhuzfhpo0CTVnhPDcc5mvgtCJeqJpeRU22JjN6FqsHZgMyPriSzPamvrcoNj2zrP+Q8p/8rVWU2wU6uPCbWipQpjHNEBMNACLxYpIzt5XLLwMWzqx8w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=oI4SaUso; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="oI4SaUso" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782961685; x=1814497685; h=date:from:to:cc:subject:message-id; bh=f/ioX1HrENMRjPiGv/fZZrikxRylQTUgGt+pXapfU7E=; b=oI4SaUso+rACH1HvS/nd79YJM2xiIvWYTvsjqL3I/t7oM+8BAY5peELH 6seeFhadMWlIGcRgjHdTLSodi8nTXDF4+3d17+3sYpwHbYrzFEw/EobIt ejuXaOgYmf77GiZUc6QFWLmf8GBetUeyNXFVAKPHOVNf57stZOBUbQdY5 QrKhkv1Rgl28GoscTz4hii2rUIxuj/4dW/hLz2QB419yh3EQsvP/Q8e0N JNsxIi85FSbkTA2pSErgEzZfgktYtYOdD+YR316Gt+OWWaofUTNICveYt X4zdOBRkWF5brrLoaxrGj7Gpuo6/L8Nv6kj1bmMSReE+YxgPm37uVPS1r g==; X-CSE-ConnectionGUID: L8Ruez+KQ42OFc5xFM7sCA== X-CSE-MsgGUID: oNYygWX2S/CePVY7+NoSPA== X-IronPort-AV: E=McAfee;i="6800,10657,11834"; a="101126900" X-IronPort-AV: E=Sophos;i="6.25,143,1779174000"; d="scan'208";a="101126900" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 20:08:04 -0700 X-CSE-ConnectionGUID: VY+FWvnOS/qvI+ZmzmZsfA== X-CSE-MsgGUID: cogSlNJiSHmgl6kNSrRYPA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,143,1779174000"; d="scan'208";a="253394299" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa009.jf.intel.com with ESMTP; 01 Jul 2026 20:08:02 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wf7mO-000000009vE-0k8F; Thu, 02 Jul 2026 03:07:57 +0000 Date: Thu, 02 Jul 2026 11:07:16 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12 1/1] mm/page_alloc.c:1831:6: warning: no previous prototype for function 'prep_new_page' Message-ID: <202607021102.PWyz2smJ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Wenchao, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android16-6.12 head: 030ed2af4ba8ba50d5f3cbbc704bc93df568d84e commit: f2c613bbd9ad3f09e4eb94bf541cdfb57423dcc9 [1/1] ANDROID: export symbol prep_new_page for vendor module config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260702/202607021102.PWyz2smJ-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 6cc609bb250b21b47fc7d394b4019101e9983597) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260702/202607021102.PWyz2smJ-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/oe-kbuild-all/202607021102.PWyz2smJ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/page_alloc.c:1831:6: warning: no previous prototype for function 'prep_new_page' [-Wmissing-prototypes] 1831 | void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, | ^ mm/page_alloc.c:1831:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1831 | void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, | ^ | static 1 warning generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for INTEL_MEI_ME Depends on [n]: X86 && PCI [=y] Selected by [m]: - INTEL_MEI_HDCP [=m] && (DRM_I915 [=n] || DRM_XE [=m]) - INTEL_MEI_PXP [=m] && (DRM_I915 [=n] || DRM_XE [=m]) vim +/prep_new_page +1831 mm/page_alloc.c 1830 > 1831 void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, 1832 unsigned int alloc_flags) 1833 { 1834 post_alloc_hook(page, order, gfp_flags); 1835 1836 if (order && (gfp_flags & __GFP_COMP)) 1837 prep_compound_page(page, order); 1838 1839 /* 1840 * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to 1841 * allocate the page. The expectation is that the caller is taking 1842 * steps that will free more memory. The caller should avoid the page 1843 * being used for !PFMEMALLOC purposes. 1844 */ 1845 if (alloc_flags & ALLOC_NO_WATERMARKS) 1846 set_page_pfmemalloc(page); 1847 else 1848 clear_page_pfmemalloc(page); 1849 trace_android_vh_test_clear_look_around_ref(page); 1850 } 1851 EXPORT_SYMBOL_GPL(prep_new_page); 1852 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki