linux-kernel - Re: [PATCH 2/2] mm: make show_free

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Date:   Fri, 30 Jun 2023 08:55:22 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     kernel test robot <lkp@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     <oe-kbuild-all@...ts.linux.dev>,
        Linux Memory Management List <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH 2/2] mm: make show_free_areas() static

Thanks,

On 2023/6/29 23:00, kernel test robot wrote:
> Hi Kefeng,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on akpm-mm/mm-everything]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/mm-make-show_free_areas-static/20230629-182958
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> patch link:    https://lore.kernel.org/r/20230629104357.35455-2-wangkefeng.wang%40huawei.com
> patch subject: [PATCH 2/2] mm: make show_free_areas() static
> config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230629/202306292240.Rj0DlHfI-lkp@intel.com/config)
> compiler: sh4-linux-gcc (GCC) 12.3.0
> reproduce: (https://download.01.org/0day-ci/archive/20230629/202306292240.Rj0DlHfI-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/202306292240.Rj0DlHfI-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>     mm/nommu.c: In function 'do_mmap':
>>> mm/nommu.c:1239:9: error: implicit declaration of function 'show_free_areas' [-Werror=implicit-function-declaration]
>      1239 |         show_free_areas(0, NULL);
>           |         ^~~~~~~~~~~~~~~
>     cc1: some warnings being treated as errors
> 
> 

Missing this one in patch-1, will update

> vim +/show_free_areas +1239 mm/nommu.c
>