Re: [PATCH 1/4] mm/vmalloc: allow arch-specific vmalloc_node overrides

[kernel test robot <lkp@intel.com>]

Hi Maxwell,

kernel test robot noticed the following build errors:

[auto build test ERROR on b401b621758e46812da61fa58a67c3fd8d91de0d]

url:    https://github.com/intel-lab-lkp/linux/commits/Maxwell-Bland/mm-vmalloc-allow-arch-specific-vmalloc_node-overrides/20240221-043458
base:   b401b621758e46812da61fa58a67c3fd8d91de0d
patch link:    https://lore.kernel.org/r/20240220203256.31153-2-mbland%40motorola.com
patch subject: [PATCH 1/4] mm/vmalloc: allow arch-specific vmalloc_node overrides
config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20240222/202402220229.5xZWdZBK-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240222/202402220229.5xZWdZBK-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402220229.5xZWdZBK-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/nommu.c:160:7: error: conflicting types for '__vmalloc_node'; have 'void *(long unsigned int,  long unsigned int,  gfp_t,  int,  const void *)' {aka 'void *(long unsigned int,  long unsigned int,  unsigned int,  int,  const void *)'}
     160 | void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
         |       ^~~~~~~~~~~~~~
   In file included from include/asm-generic/io.h:994,
                    from arch/m68k/include/asm/io.h:14,
                    from arch/m68k/include/asm/pgtable_no.h:14,
                    from arch/m68k/include/asm/pgtable.h:6,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from mm/nommu.c:20:
   include/linux/vmalloc.h:152:7: note: previous declaration of '__vmalloc_node' with type 'void *(long unsigned int,  long unsigned int,  gfp_t,  long unsigned int,  int,  const void *)' {aka 'void *(long unsigned int,  long unsigned int,  unsigned int,  long unsigned int,  int,  const void *)'}
     152 | void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
         |       ^~~~~~~~~~~~~~


vim +160 mm/nommu.c

041de93ff86fc5 Christoph Hellwig 2020-06-01  159  
2b9059489c839e Christoph Hellwig 2020-06-01 @160  void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
2b9059489c839e Christoph Hellwig 2020-06-01  161  		int node, const void *caller)
a7c3e901a46ff5 Michal Hocko      2017-05-08  162  {
2b9059489c839e Christoph Hellwig 2020-06-01  163  	return __vmalloc(size, gfp_mask);
a7c3e901a46ff5 Michal Hocko      2017-05-08  164  }
a7c3e901a46ff5 Michal Hocko      2017-05-08  165  

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