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

kernel test robot
2024-11-25T15:52:33Z

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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