linux-kernel - Re: [PATCH v2 6/9] x86/clear_huge

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Date:   Fri, 1 Sep 2023 02:26:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ankur Arora <ankur.a.arora@...cle.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, akpm@...ux-foundation.org,
        luto@...nel.org, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, mingo@...hat.com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, willy@...radead.org, mgorman@...e.de,
        peterz@...radead.org, rostedt@...dmis.org, tglx@...utronix.de,
        jon.grimm@....com, bharata@....com, raghavendra.kt@....com,
        boris.ostrovsky@...cle.com, konrad.wilk@...cle.com,
        Ankur Arora <ankur.a.arora@...cle.com>
Subject: Re: [PATCH v2 6/9] x86/clear_huge_page: multi-page clearing

Hi Ankur,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on akpm-mm/mm-everything tip/x86/mm tip/sched/core tip/core/entry linus/master v6.5 next-20230831]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ankur-Arora/mm-clear_huge_page-allow-arch-override-for-clear_huge_page/20230831-030156
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20230830184958.2333078-7-ankur.a.arora%40oracle.com
patch subject: [PATCH v2 6/9] x86/clear_huge_page: multi-page clearing
config: i386-buildonly-randconfig-006-20230831 (https://download.01.org/0day-ci/archive/20230901/202309010241.u7o4IETu-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230901/202309010241.u7o4IETu-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309010241.u7o4IETu-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/x86/mm/hugetlbpage.c: In function 'clear_contig_region':
>> arch/x86/mm/hugetlbpage.c:155:9: error: implicit declaration of function 'clear_pages'; did you mean 'clear_page'? [-Werror=implicit-function-declaration]
     155 |         clear_pages(page_address(page), npages);
         |         ^~~~~~~~~~~
         |         clear_page
   cc1: some warnings being treated as errors


vim +155 arch/x86/mm/hugetlbpage.c

   151	
   152	#ifndef CONFIG_HIGHMEM
   153	static void clear_contig_region(struct page *page, unsigned int npages)
   154	{
 > 155		clear_pages(page_address(page), npages);
   156	}
   157	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki