Re: [PATCH v6 1/5] mm: page_alloc: remain memblock_next_valid_pfn() on arm and arm64

[kbuild test robot]

Hi Jia,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on v4.16 next-20180403]
[cannot apply to linus/master mmotm/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Jia-He/mm-page_alloc-remain-memblock_next_valid_pfn-on-arm-and-arm64/20180404-200732
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: i386-randconfig-x013-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/gfp.h:6:0,
                    from include/linux/mm.h:10,
                    from mm/page_alloc.c:18:
   mm/page_alloc.c: In function 'memmap_init_zone':
>> include/linux/mmzone.h:1299:28: error: called object is not a function or function pointer
    #define next_valid_pfn (pfn++)
                           ~~~~^~~
>> mm/page_alloc.c:5349:39: note: in expansion of macro 'next_valid_pfn'
     for (pfn = start_pfn; pfn < end_pfn; next_valid_pfn(pfn)) {
                                          ^~~~~~~~~~~~~~

vim +1299 include/linux/mmzone.h

  1296	
  1297	/* fallback to default defitions*/
  1298	#ifndef next_valid_pfn
> 1299	#define next_valid_pfn	(pfn++)
  1300	#endif
  1301	

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