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Tue, 25 Jul 2023 12:48:06 +0000 Date: Tue, 25 Jul 2023 20:47:38 +0800 From: kernel test robot To: Arnd Bergmann Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Christian Brauner , Alexander Gordeev Subject: arch/powerpc/mm/book3s64/pgtable.c:422:6: error: no previous prototype for 'arch_report_meminfo' Message-ID: <202307252035.aAJZfroP-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0b5547c51827e053cc754db47d3ec3e6c2c451d2 commit: ef104443bffa004f631729dfc924f0b84abbd602 procfs: consolidate arch_report_meminfo declaration date: 10 weeks ago config: powerpc-maple_defconfig (https://download.01.org/0day-ci/archive/20230725/202307252035.aAJZfroP-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230725/202307252035.aAJZfroP-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/202307252035.aAJZfroP-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/powerpc/mm/book3s64/pgtable.c:422:6: error: no previous prototype for 'arch_report_meminfo' [-Werror=missing-prototypes] 422 | void arch_report_meminfo(struct seq_file *m) | ^~~~~~~~~~~~~~~~~~~ arch/powerpc/mm/book3s64/pgtable.c:478:5: error: no previous prototype for 'pmd_move_must_withdraw' [-Werror=missing-prototypes] 478 | int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, | ^~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/arch_report_meminfo +422 arch/powerpc/mm/book3s64/pgtable.c a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 421 a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 @422 void arch_report_meminfo(struct seq_file *m) a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 423 { a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 424 /* a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 425 * Hash maps the memory with one size mmu_linear_psize. a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 426 * So don't bother to print these on hash a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 427 */ a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 428 if (!radix_enabled()) a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 429 return; a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 430 seq_printf(m, "DirectMap4k: %8lu kB\n", a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 431 atomic_long_read(&direct_pages_count[MMU_PAGE_4K]) << 2); a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 432 seq_printf(m, "DirectMap64k: %8lu kB\n", a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 433 atomic_long_read(&direct_pages_count[MMU_PAGE_64K]) << 6); a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 434 seq_printf(m, "DirectMap2M: %8lu kB\n", a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 435 atomic_long_read(&direct_pages_count[MMU_PAGE_2M]) << 11); a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 436 seq_printf(m, "DirectMap1G: %8lu kB\n", a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 437 atomic_long_read(&direct_pages_count[MMU_PAGE_1G]) << 20); a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 438 } a2dc009afa9ae8 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2018-08-13 439 #endif /* CONFIG_PROC_FS */ 579b9239c1f386 arch/powerpc/mm/pgtable-book3s64.c Aneesh Kumar K.V 2019-01-23 440 :::::: The code at line 422 was first introduced by commit :::::: a2dc009afa9ae8b92305be7728676562a104cb40 powerpc/mm/book3s/radix: Add mapping statistics :::::: TO: Aneesh Kumar K.V :::::: CC: Michael Ellerman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki