linux-kernel - [arm-integrator:virt-to-pfn-v6.0-rc1 10/24] arch/arm/include/asm/memory.h:294:43: error: 'PAGE

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Message-ID: <202209090251.nxU1tPcG-lkp@intel.com>
Date:   Fri, 9 Sep 2022 02:25:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [arm-integrator:virt-to-pfn-v6.0-rc1 10/24]
 arch/arm/include/asm/memory.h:294:43: error: 'PAGE_SHIFT' undeclared

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git virt-to-pfn-v6.0-rc1
head:   bc69ecf9b2a3d1f9699edab614580d6a6e090407
commit: dbf81f3235aaece643b3fef4b5568d79caf6db0e [10/24] ARM: mm: Make virt_to_pfn() a static inline
config: arm-defconfig (https://download.01.org/0day-ci/archive/20220909/202209090251.nxU1tPcG-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/linusw/linux-integrator.git/commit/?id=dbf81f3235aaece643b3fef4b5568d79caf6db0e
        git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
        git fetch --no-tags arm-integrator virt-to-pfn-v6.0-rc1
        git checkout dbf81f3235aaece643b3fef4b5568d79caf6db0e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/

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 >>):

   In file included from arch/arm/include/asm/io.h:26,
                    from include/linux/io.h:13,
                    from include/linux/iosys-map.h:10,
                    from include/linux/dma-buf.h:16,
                    from drivers/gpu/drm/drm_gem_cma_helper.c:12:
   arch/arm/include/asm/memory.h: In function 'virt_to_pfn':
>> arch/arm/include/asm/memory.h:294:43: error: 'PAGE_SHIFT' undeclared (first use in this function)
     294 |         return (((kaddr - PAGE_OFFSET) >> PAGE_SHIFT) +
         |                                           ^~~~~~~~~~
   arch/arm/include/asm/memory.h:294:43: note: each undeclared identifier is reported only once for each function it appears in
   arch/arm/include/asm/memory.h:296:1: error: control reaches end of non-void function [-Werror=return-type]
     296 | }
         | ^
   cc1: some warnings being treated as errors
--
   In file included from arch/arm/include/asm/io.h:26,
                    from include/linux/io.h:13,
                    from include/linux/iosys-map.h:10,
                    from include/linux/dma-buf.h:16,
                    from drivers/gpu/drm/drm_gem_shmem_helper.c:6:
   arch/arm/include/asm/memory.h: In function 'virt_to_pfn':
>> arch/arm/include/asm/memory.h:294:43: error: 'PAGE_SHIFT' undeclared (first use in this function)
     294 |         return (((kaddr - PAGE_OFFSET) >> PAGE_SHIFT) +
         |                                           ^~~~~~~~~~
   arch/arm/include/asm/memory.h:294:43: note: each undeclared identifier is reported only once for each function it appears in


vim +/PAGE_SHIFT +294 arch/arm/include/asm/memory.h

   290	
   291	static inline unsigned long virt_to_pfn(const void *p)
   292	{
   293		unsigned long kaddr = (unsigned long)p;
 > 294		return (((kaddr - PAGE_OFFSET) >> PAGE_SHIFT) +
   295			PHYS_PFN_OFFSET);
   296	}
   297	#define __pa_symbol_nodebug(x)	__virt_to_phys_nodebug((x))
   298	

-- 
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