Re: [PATCH v3 11/25] mm: Allow compound zone device pages

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

Hi Alistair,

kernel test robot noticed the following build errors:

[auto build test ERROR on 81983758430957d9a5cb3333fe324fd70cf63e7e]

url:    https://github.com/intel-lab-lkp/linux/commits/Alistair-Popple/fuse-Fix-dax-truncate-punch_hole-fault-path/20241125-094004
base:   81983758430957d9a5cb3333fe324fd70cf63e7e
patch link:    https://lore.kernel.org/r/f1a93b8a38e14e2ab279ece310175334e973b970.1732239628.git-series.apopple%40nvidia.com
patch subject: [PATCH v3 11/25] mm: Allow compound zone device pages
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20241125/202411252342.LUEKRmrY-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241125/202411252342.LUEKRmrY-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/202411252342.LUEKRmrY-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/mm.h:32,
                    from arch/sh/kernel/asm-offsets.c:14:
   include/linux/memremap.h: In function 'is_device_private_page':
>> include/linux/memremap.h:164:17: error: implicit declaration of function 'page_pgmap' [-Wimplicit-function-declaration]
     164 |                 page_pgmap(page)->type == MEMORY_DEVICE_PRIVATE;
         |                 ^~~~~~~~~~
>> include/linux/memremap.h:164:33: error: invalid type argument of '->' (have 'int')
     164 |                 page_pgmap(page)->type == MEMORY_DEVICE_PRIVATE;
         |                                 ^~
   include/linux/memremap.h: In function 'is_pci_p2pdma_page':
   include/linux/memremap.h:176:33: error: invalid type argument of '->' (have 'int')
     176 |                 page_pgmap(page)->type == MEMORY_DEVICE_PCI_P2PDMA;
         |                                 ^~
   include/linux/memremap.h: In function 'is_device_coherent_page':
   include/linux/memremap.h:182:33: error: invalid type argument of '->' (have 'int')
     182 |                 page_pgmap(page)->type == MEMORY_DEVICE_COHERENT;
         |                                 ^~
   make[3]: *** [scripts/Makefile.build:102: arch/sh/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1203: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:224: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:224: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/page_pgmap +164 include/linux/memremap.h

   159	
   160	static inline bool is_device_private_page(const struct page *page)
   161	{
   162		return IS_ENABLED(CONFIG_DEVICE_PRIVATE) &&
   163			is_zone_device_page(page) &&
 > 164			page_pgmap(page)->type == MEMORY_DEVICE_PRIVATE;
   165	}
   166	

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