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Peter Anvin" , References: <20230821123056.2109942-2-wangkefeng.wang@huawei.com> <202308212249.dZG3d55u-lkp@intel.com> From: Kefeng Wang In-Reply-To: <202308212249.dZG3d55u-lkp@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm100001.china.huawei.com (7.185.36.93) X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: CE09440015 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: pr5ypb17n9c9asgro6rm5fnawa4bsxgs X-HE-Tag: 1692671640-713761 X-HE-Meta: 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P6dSlN2vZlNsaoOzYu63cbBbLiUVYCBIGnTAyCRrhSy3U55c0MUrNd1NhSnsR8JgG0M+FBiJy2TNCVSf4R4bs5zbkjyZI+AFMRhaLmvKxRENAtpFQnrYFiJQ+KZBhNZCzwSMiWjM9yzYQMZbzsMgfOgkm4U5ZXvufRST7K4A4gHVq23UnKYTXNSwmMbmp0b9nmSdEkN7iVaIOB5SO9B19Nxz43OBvqdFShFb2qQzz4SqAGqsHDmBG1nMC/PAhcK++AjqAaVBZ3O8gbbli9D5R7QMBmE4h+Wcp9V0fEPdP6FEsO7UsMtnWwT4L9ooEporA15AIl9m3K1fSBw05V4xqG/riusw66oWWM4PkqPhJ+23pQErNnbKmQsswcd3R/8AwzN9LnPB+QjuKUt0mZfcvMTdQIN2Gn0rM7hMjK3btCLHLkYQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi On 2023/8/21 23:13, kernel test robot wrote: > Hi Kefeng, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on next-20230821] > [cannot apply to akpm-mm/mm-everything arm64/for-next/core tip/x86/mm s390/features powerpc/next powerpc/fixes arm/for-next arm/fixes linus/master v6.5-rc7 v6.5-rc6 v6.5-rc5 v6.5-rc7] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/mm-add-a-generic-VMA-lock-based-page-fault-handler/20230821-203442 > base: next-20230821 > patch link: https://lore.kernel.org/r/20230821123056.2109942-2-wangkefeng.wang%40huawei.com > patch subject: [PATCH rfc v2 01/10] mm: add a generic VMA lock-based page fault handler > config: i386-tinyconfig (https://download.01.org/0day-ci/archive/20230821/202308212249.dZG3d55u-lkp@intel.com/config) > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 > reproduce: (https://download.01.org/0day-ci/archive/20230821/202308212249.dZG3d55u-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 > | Closes: https://lore.kernel.org/oe-kbuild-all/202308212249.dZG3d55u-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > In file included from include/linux/memcontrol.h:20, > from include/linux/swap.h:9, > from include/linux/suspend.h:5, > from arch/x86/kernel/asm-offsets.c:14: >>> include/linux/mm.h:810:38: error: redefinition of 'lock_vma_under_rcu' > 810 | static inline struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm, > | ^~~~~~~~~~~~~~~~~~ > include/linux/mm.h:794:38: note: previous definition of 'lock_vma_under_rcu' with type 'struct vm_area_struct *(struct mm_struct *, long unsigned int)' > 794 | static inline struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm, > | ^~~~~~~~~~~~~~~~~~ > make[3]: *** [scripts/Makefile.build:116: arch/x86/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:234: __sub-make] Error 2 > make[1]: Target 'prepare' not remade because of errors. > make: *** [Makefile:234: __sub-make] Error 2 > make: Target 'prepare' not remade because of errors. > > Yes, the following change should be drop as it is miscopied... > vim +/lock_vma_under_rcu +810 include/linux/mm.h > > 809 > > 810 static inline struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm, > 811 unsigned long address) > 812 { > 813 return NULL; > 814 } > 815 >