linux-kernel - [mcgrof:modules-next 6/10] kernel/module/strict_rwx.c:16:10: error: implicit declaration of function 'PAGE

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Message-ID: <202202210447.UvDGgsQA-lkp@intel.com>
Date:   Mon, 21 Feb 2022 04:19:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Aaron Tomlin <atomlin@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Luis Chamberlain <mcgrof@...nel.org>
Subject: [mcgrof:modules-next 6/10] kernel/module/strict_rwx.c:16:10: error:
 implicit declaration of function 'PAGE_ALIGNED'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git modules-next
head:   c55dc78176e6fe97a9e92d24a7ff3015b14ac858
commit: e5973a14d18785b893d383fbd9dc2f98edc16f1b [6/10] module: Move strict rwx support to a separate file
config: arm64-randconfig-r005-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210447.UvDGgsQA-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/commit/?id=e5973a14d18785b893d383fbd9dc2f98edc16f1b
        git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git
        git fetch --no-tags mcgrof modules-next
        git checkout e5973a14d18785b893d383fbd9dc2f98edc16f1b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> kernel/module/strict_rwx.c:16:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->base));
                   ^
   kernel/module/strict_rwx.c:17:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->text_size));
                   ^
   kernel/module/strict_rwx.c:18:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->ro_size));
                   ^
   kernel/module/strict_rwx.c:26:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->base));
                   ^
   kernel/module/strict_rwx.c:27:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->ro_size));
                   ^
   kernel/module/strict_rwx.c:28:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->ro_after_init_size));
                   ^
   kernel/module/strict_rwx.c:36:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->base));
                   ^
   kernel/module/strict_rwx.c:37:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->ro_after_init_size));
                   ^
   kernel/module/strict_rwx.c:38:10: error: implicit declaration of function 'PAGE_ALIGNED' [-Werror,-Wimplicit-function-declaration]
           BUG_ON(!PAGE_ALIGNED(layout->size));
                   ^
   9 errors generated.


vim +/PAGE_ALIGNED +16 kernel/module/strict_rwx.c

    12	
    13	void frob_rodata(const struct module_layout *layout,
    14			 int (*set_memory)(unsigned long start, int num_pages))
    15	{
  > 16		BUG_ON(!PAGE_ALIGNED(layout->base));
    17		BUG_ON(!PAGE_ALIGNED(layout->text_size));
    18		BUG_ON(!PAGE_ALIGNED(layout->ro_size));
    19		set_memory((unsigned long)layout->base + layout->text_size,
    20			   (layout->ro_size - layout->text_size) >> PAGE_SHIFT);
    21	}
    22	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org