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Peter Anvin" , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Juergen Gross , Kevin Brodsky , Muchun Song , Oscar Salvador , Joao Martins , Lorenzo Stoakes , Jane Chu , Alistair Popple , Mike Rapoport , David Hildenbrand , Gwan-gyeong Mun , "Aneesh Kumar K . V" Subject: Re: [PATCH v2 mm-hotfixes 1/5] mm: move page table sync declarations to asm/pgalloc.h Message-ID: <202507211059.kHMi8xEC-lkp@intel.com> References: <20250720234203.9126-2-harry.yoo@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250720234203.9126-2-harry.yoo@oracle.com> X-Stat-Signature: 7agb3hntb3dkkjjnrj641mrwpw1xuntd X-Rspam-User: X-Rspamd-Queue-Id: 3E79140004 X-Rspamd-Server: rspam02 X-HE-Tag: 1753066650-396966 X-HE-Meta: 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 LEILApcB d2+gfvRk7b9pGfkfi3x2rO0YlbA00P4OhqTmrQaGm0yk/Y2Q3jt4Zpm34QRTnW+NEBayuGMmMmcJoPlpX7aHPgXDa2CFUemVmT6WwCUUTAu1PaX+fhNgq0J7/VbakMc6vzLatb93WiH5yS4XhZP8RsvznMYV4/OFID76IoTq34GnCRBez1QyKifiehKKYKIvTQJ1UAfOApeMxxy+f48ROoHzm3bEONZM7OSUhAY59A3e5D3u3k23sNcpOA4z0adnw0qxjXcDBMm22YnPBxKy/gMbI3A48CN/CNAYdXrsqXqFMpIUwTHu5iR43HC6f+9Ac/2nhOKWreO/iypMQX98F2dgB1nV0d182HtQ728Eszkx+R5RX+Ui7AeZPYo4xRGxexBwoh6zmP9zaznaSQTjdjaZWSEFegTNFgHSs9xZrfvb6L1B05TcQ9Gxjncp/UIfp2wRAqo1vXIiSMH3sela23vQ3xxraeEE96LNeWav3loV++C4= 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: Hi Harry, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Harry-Yoo/mm-move-page-table-sync-declarations-to-asm-pgalloc-h/20250721-074448 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250720234203.9126-2-harry.yoo%40oracle.com patch subject: [PATCH v2 mm-hotfixes 1/5] mm: move page table sync declarations to asm/pgalloc.h config: sparc-randconfig-001-20250721 (https://download.01.org/0day-ci/archive/20250721/202507211059.kHMi8xEC-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250721/202507211059.kHMi8xEC-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/202507211059.kHMi8xEC-lkp@intel.com/ All errors (new ones prefixed by >>): mm/memory.c: In function '__apply_to_page_range': >> mm/memory.c:3155:20: error: 'ARCH_PAGE_TABLE_SYNC_MASK' undeclared (first use in this function) 3155 | if (mask & ARCH_PAGE_TABLE_SYNC_MASK) | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/memory.c:3155:20: note: each undeclared identifier is reported only once for each function it appears in >> mm/memory.c:3156:17: error: implicit declaration of function 'arch_sync_kernel_mappings' [-Wimplicit-function-declaration] 3156 | arch_sync_kernel_mappings(start, start + size); | ^~~~~~~~~~~~~~~~~~~~~~~~~ -- mm/vmalloc.c: In function 'vmap_range_noflush': >> mm/vmalloc.c:315:20: error: 'ARCH_PAGE_TABLE_SYNC_MASK' undeclared (first use in this function) 315 | if (mask & ARCH_PAGE_TABLE_SYNC_MASK) | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/vmalloc.c:315:20: note: each undeclared identifier is reported only once for each function it appears in >> mm/vmalloc.c:316:17: error: implicit declaration of function 'arch_sync_kernel_mappings' [-Wimplicit-function-declaration] 316 | arch_sync_kernel_mappings(start, end); | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/vmalloc.c: In function '__vunmap_range_noflush': mm/vmalloc.c:488:20: error: 'ARCH_PAGE_TABLE_SYNC_MASK' undeclared (first use in this function) 488 | if (mask & ARCH_PAGE_TABLE_SYNC_MASK) | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/vmalloc.c: In function 'vmap_small_pages_range_noflush': mm/vmalloc.c:633:20: error: 'ARCH_PAGE_TABLE_SYNC_MASK' undeclared (first use in this function) 633 | if (mask & ARCH_PAGE_TABLE_SYNC_MASK) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ARCH_PAGE_TABLE_SYNC_MASK +3155 mm/memory.c c2febafc67734a Kirill A. Shutemov 2017-03-09 3121 be1db4753ee6a0 Daniel Axtens 2019-12-17 3122 static int __apply_to_page_range(struct mm_struct *mm, unsigned long addr, be1db4753ee6a0 Daniel Axtens 2019-12-17 3123 unsigned long size, pte_fn_t fn, be1db4753ee6a0 Daniel Axtens 2019-12-17 3124 void *data, bool create) aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3125 { aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3126 pgd_t *pgd; e80d3909be42f7 Joerg Roedel 2020-09-04 3127 unsigned long start = addr, next; 57250a5bf0f6ff Jeremy Fitzhardinge 2010-08-09 3128 unsigned long end = addr + size; e80d3909be42f7 Joerg Roedel 2020-09-04 3129 pgtbl_mod_mask mask = 0; be1db4753ee6a0 Daniel Axtens 2019-12-17 3130 int err = 0; aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3131 9cb65bc3b11140 Mika Penttilä 2016-03-15 3132 if (WARN_ON(addr >= end)) 9cb65bc3b11140 Mika Penttilä 2016-03-15 3133 return -EINVAL; 9cb65bc3b11140 Mika Penttilä 2016-03-15 3134 aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3135 pgd = pgd_offset(mm, addr); aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3136 do { aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3137 next = pgd_addr_end(addr, end); 0c95cba4925509 Nicholas Piggin 2021-04-29 3138 if (pgd_none(*pgd) && !create) be1db4753ee6a0 Daniel Axtens 2019-12-17 3139 continue; 3685024edd270f Ryan Roberts 2025-02-26 3140 if (WARN_ON_ONCE(pgd_leaf(*pgd))) { 3685024edd270f Ryan Roberts 2025-02-26 3141 err = -EINVAL; 3685024edd270f Ryan Roberts 2025-02-26 3142 break; 3685024edd270f Ryan Roberts 2025-02-26 3143 } 0c95cba4925509 Nicholas Piggin 2021-04-29 3144 if (!pgd_none(*pgd) && WARN_ON_ONCE(pgd_bad(*pgd))) { 0c95cba4925509 Nicholas Piggin 2021-04-29 3145 if (!create) 0c95cba4925509 Nicholas Piggin 2021-04-29 3146 continue; 0c95cba4925509 Nicholas Piggin 2021-04-29 3147 pgd_clear_bad(pgd); 0c95cba4925509 Nicholas Piggin 2021-04-29 3148 } 0c95cba4925509 Nicholas Piggin 2021-04-29 3149 err = apply_to_p4d_range(mm, pgd, addr, next, 0c95cba4925509 Nicholas Piggin 2021-04-29 3150 fn, data, create, &mask); aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3151 if (err) aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3152 break; aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3153 } while (pgd++, addr = next, addr != end); 57250a5bf0f6ff Jeremy Fitzhardinge 2010-08-09 3154 e80d3909be42f7 Joerg Roedel 2020-09-04 @3155 if (mask & ARCH_PAGE_TABLE_SYNC_MASK) e80d3909be42f7 Joerg Roedel 2020-09-04 @3156 arch_sync_kernel_mappings(start, start + size); e80d3909be42f7 Joerg Roedel 2020-09-04 3157 aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3158 return err; aee16b3cee2746 Jeremy Fitzhardinge 2007-05-06 3159 } be1db4753ee6a0 Daniel Axtens 2019-12-17 3160 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki