linux-kernel - Re: [akpm-mm:mm-unstable 102/232] mm/mmap.c:1094:9: error: 'area' undeclared

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Message-Id: <20220703221758.619e283069ac685ce9c321c2@linux-foundation.org>
Date:   Sun, 3 Jul 2022 22:17:58 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Jakub Matěna <matenajakub@...il.com>,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: [akpm-mm:mm-unstable 102/232] mm/mmap.c:1094:9: error: 'area'
 undeclared

On Mon, 4 Jul 2022 11:42:55 +0800 kernel test robot <lkp@...el.com> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
> head:   ff9d7221f1fc9bddb4f71f7501154c68b6942b9b
> commit: 24a134b0c0a857bbf193eb7b3d8fcbbf77517c5f [102/232] mm: refactor of vma_merge()
> config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20220704/202207041144.WB9XlrTL-lkp@intel.com/config)
> compiler: powerpc-linux-gcc (GCC) 11.3.0
> 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://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=24a134b0c0a857bbf193eb7b3d8fcbbf77517c5f
>         git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
>         git fetch --no-tags akpm-mm mm-unstable
>         git checkout 24a134b0c0a857bbf193eb7b3d8fcbbf77517c5f
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>    mm/mmap.c: In function 'vma_merge':
> >> mm/mmap.c:1094:9: error: 'area' undeclared (first use in this function)
>     1094 |         area = next;
>          |         ^~~~

Thanks, that was a merge messup.  Already fixed.  You evidently pulled
during the half-hour window when it wasn't :(