linux-kernel - Re: [PATCH v1 1/1] generic-radix-tree: Replace kernel.h with the necessary inclusions

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Date:   Thu, 28 Oct 2021 14:21:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [PATCH v1 1/1] generic-radix-tree: Replace kernel.h with the
 necessary inclusions

Hi Andy,

I love your patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on linus/master v5.15-rc7 next-20211027]
[cannot apply to hnaz-mm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/generic-radix-tree-Replace-kernel-h-with-the-necessary-inclusions/20211027-230858
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2f111a6fd5b5297b4e92f53798ca086f7c7d33a4
config: hexagon-randconfig-r045-20211027 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72)
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://github.com/0day-ci/linux/commit/2f6f34a9873a58e8eea432b0f18a2ec8d201085a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andy-Shevchenko/generic-radix-tree-Replace-kernel-h-with-the-necessary-inclusions/20211027-230858
        git checkout 2f6f34a9873a58e8eea432b0f18a2ec8d201085a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

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 >>):

   In file included from lib/generic-radix-tree.c:3:
>> include/linux/generic-radix-tree.h:190:18: error: implicit declaration of function 'round_up' [-Werror,-Wimplicit-function-declaration]
                   iter->offset = round_up(iter->offset, PAGE_SIZE);
                                  ^
   1 error generated.


vim +/round_up +190 include/linux/generic-radix-tree.h

ba20ba2e3743ba Kent Overstreet 2019-03-11  169  
ba20ba2e3743ba Kent Overstreet 2019-03-11  170  /**
ba20ba2e3743ba Kent Overstreet 2019-03-11  171   * genradix_iter_peek - get first entry at or above iterator's current
ba20ba2e3743ba Kent Overstreet 2019-03-11  172   *			position
ba20ba2e3743ba Kent Overstreet 2019-03-11  173   * @_iter:	a genradix_iter
ba20ba2e3743ba Kent Overstreet 2019-03-11  174   * @_radix:	genradix being iterated over
ba20ba2e3743ba Kent Overstreet 2019-03-11  175   *
ba20ba2e3743ba Kent Overstreet 2019-03-11  176   * If no more entries exist at or above @_iter's current position, returns NULL
ba20ba2e3743ba Kent Overstreet 2019-03-11  177   */
ba20ba2e3743ba Kent Overstreet 2019-03-11  178  #define genradix_iter_peek(_iter, _radix)			\
ba20ba2e3743ba Kent Overstreet 2019-03-11  179  	(__genradix_cast(_radix)				\
ba20ba2e3743ba Kent Overstreet 2019-03-11  180  	 __genradix_iter_peek(_iter, &(_radix)->tree,		\
ba20ba2e3743ba Kent Overstreet 2019-03-11  181  			      PAGE_SIZE / __genradix_obj_size(_radix)))
ba20ba2e3743ba Kent Overstreet 2019-03-11  182  
ba20ba2e3743ba Kent Overstreet 2019-03-11  183  static inline void __genradix_iter_advance(struct genradix_iter *iter,
ba20ba2e3743ba Kent Overstreet 2019-03-11  184  					   size_t obj_size)
ba20ba2e3743ba Kent Overstreet 2019-03-11  185  {
ba20ba2e3743ba Kent Overstreet 2019-03-11  186  	iter->offset += obj_size;
ba20ba2e3743ba Kent Overstreet 2019-03-11  187  
ba20ba2e3743ba Kent Overstreet 2019-03-11  188  	if (!is_power_of_2(obj_size) &&
ba20ba2e3743ba Kent Overstreet 2019-03-11  189  	    (iter->offset & (PAGE_SIZE - 1)) + obj_size > PAGE_SIZE)
ba20ba2e3743ba Kent Overstreet 2019-03-11 @190  		iter->offset = round_up(iter->offset, PAGE_SIZE);
ba20ba2e3743ba Kent Overstreet 2019-03-11  191  
ba20ba2e3743ba Kent Overstreet 2019-03-11  192  	iter->pos++;
ba20ba2e3743ba Kent Overstreet 2019-03-11  193  }
ba20ba2e3743ba Kent Overstreet 2019-03-11  194  

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

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