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Wed, 26 Feb 2025 09:10:55 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 Date: Wed, 26 Feb 2025 15:10:32 +0100 From: "Arnd Bergmann" To: "kernel test robot" , "Luiz Capitulino" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, "Andrew Morton" , "Linux Memory Management List" Message-Id: In-Reply-To: <202502261733.Ma0eUGKJ-lkp@intel.com> References: <202502261733.Ma0eUGKJ-lkp@intel.com> Subject: Re: [linux-next:master 5933/6583] include/linux/page_ext.h:131:20: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 6FDD918000E X-Rspamd-Server: rspam08 X-Rspam-User: X-Stat-Signature: y6gr7bq3z3uu35j6rzwmxem49gm73wj5 X-HE-Tag: 1740579057-472781 X-HE-Meta: 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 HmPo3+ny 7wGjKD7OovsdbfhWTwIS+SggTjieuovLdSvi+ML/MgSO6ZiPCZZzAlVA6DYh2uzqIsEIBEXPk7PkYA7udPh3RagAeAMBXw1rT7YXydUaqgrjl6BcnzFGNaAkKutnG0Wk9n4Od5zrT2A6PgNhBiClE/ynh/MrkPhl7DpGnFs8nmQyMvFSpY1GRlcMrkGWsJXxJb94j6maap+Sj11DvGe8gGbCnao5WuxcMPcyKso+zYH0fWpT8zF99GOW4c8vTZ9WAg/8OKKLwEMuk4w2Wf6rI9M8QYhPHvDZVR47m2IxE4eJhpSk= 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: List-Subscribe: List-Unsubscribe: On Wed, Feb 26, 2025, at 10:46, kernel test robot wrote: > commit: a2d6e9c1a867bb9f13943cb8483e2ab85b630bcd [5933/6583] mm: > page_ext: add an iteration API for page extensions > config: i386-buildonly-randconfig-004-20250226 > > In file included from arch/x86/kernel/asm-offsets.c:14: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:21: > In file included from include/linux/mm.h:8: > In file included from include/linux/pgalloc_tag.h:12: >>> include/linux/page_ext.h:131:20: error: call to undeclared function 'page_to_section'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 131 | iter->start_pfn = page_to_pfn(page); > | ^ > include/asm-generic/memory_model.h:64:21: note: expanded from macro > 'page_to_pfn' > 64 | #define page_to_pfn __page_to_pfn I'm getting this on all configurations that set CONFIG_SPARSEMEM but not CONFIG_SPARSEMEM_VMMEMMAP. There is also a possible problem with linux/page_ext.h including pgtable.h and mmzone.h, which I think can lead to circular header inclusions with linux/mm.h. Arnd