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X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="367970873" X-IronPort-AV: E=Sophos;i="6.01,245,1684825200"; d="scan'208";a="367970873" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2023 09:43:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10788"; a="798307174" X-IronPort-AV: E=Sophos;i="6.01,245,1684825200"; d="scan'208";a="798307174" Received: from lkp-server02.sh.intel.com (HELO 953e8cd98f7d) ([10.239.97.151]) by fmsmga004.fm.intel.com with ESMTP; 31 Jul 2023 09:43:36 -0700 Received: from kbuild by 953e8cd98f7d with local (Exim 4.96) (envelope-from ) id 1qQVzc-0005Ep-0p; Mon, 31 Jul 2023 16:43:36 +0000 Date: Tue, 1 Aug 2023 00:42:56 +0800 From: kernel test robot To: Kefeng Wang , Andrew Morton , Catalin Marinas , Will Deacon , Mike Kravetz , Muchun Song , Mina Almasry , kirill@shutemov.name, joel@joelfernandes.org, william.kucharski@oracle.com, kaleshsingh@google.com Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Kefeng Wang Subject: Re: [PATCH 3/4] mm: mremap: use flush_pud_tlb_range in move_normal_pud() Message-ID: <202308010022.uY01vAew-lkp@intel.com> References: <20230731074829.79309-4-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230731074829.79309-4-wangkefeng.wang@huawei.com> X-Rspam-User: X-Stat-Signature: 5hphob7upugdqmuwaezgoeprx44ntwar X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: CF0F640011 X-HE-Tag: 1690821822-515270 X-HE-Meta: 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 aypmhQj1 DHzFMN288M+SnN3okOKy60fO163gRgKMFd04/uPenSAEPLWyB5613XsOsTXBCv8hUMaxIDV8ZbM5HonQlSprApzBbwEO6RYuCY36AJ71kjoVStrZZy7Om5/bPTBoXP8qbDyn0uBNLDRlblI7f2Z7cU4i9fDy3q5GSZmFlf1Vq0ApgURO4bTIMLcb0fwW9bA58omySkyQz92Gbg3EfUvole+QThVSL7fPCY24Tjy80x6xHHIzXJ8CLmA8c7bypoe1jGXSpuJzmU5A9x+4P9wFbxjjTt0LnvUA18k+rFibIYbFPK5YLp04OUuWBn4wNRkfFddgGAwerERDuNqhyG2XZ3NP5y0s8BvcobBNxUwnr7GPeAGW7BBDU32vZC1HNchUqdJIW1Dgz9DyY2LJeZGqzhEE6kcpoiAzsYpFiSuQbLsaT3sWqoL7d8noCpIo/a/YZRgZi9sem01Uh7BWi8Yv7wpPLlVEbqFVxH0UpIUCiHsvYo6k= 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 Kefeng, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on arm-perf/for-next/perf linus/master v6.5-rc4 next-20230731] [cannot apply to akpm-mm/mm-everything] [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-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables/20230731-154016 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20230731074829.79309-4-wangkefeng.wang%40huawei.com patch subject: [PATCH 3/4] mm: mremap: use flush_pud_tlb_range in move_normal_pud() config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20230801/202308010022.uY01vAew-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230801/202308010022.uY01vAew-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/202308010022.uY01vAew-lkp@intel.com/ All errors (new ones prefixed by >>): mm/mremap.c: In function 'move_normal_pud': >> mm/mremap.c:336:9: error: implicit declaration of function 'flush_pud_tlb_range'; did you mean 'flush_pmd_tlb_range'? [-Werror=implicit-function-declaration] 336 | flush_pud_tlb_range(vma, old_addr, old_addr + PUD_SIZE); | ^~~~~~~~~~~~~~~~~~~ | flush_pmd_tlb_range cc1: some warnings being treated as errors vim +336 mm/mremap.c 302 303 #if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD) 304 static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, 305 unsigned long new_addr, pud_t *old_pud, pud_t *new_pud) 306 { 307 spinlock_t *old_ptl, *new_ptl; 308 struct mm_struct *mm = vma->vm_mm; 309 pud_t pud; 310 311 if (!arch_supports_page_table_move()) 312 return false; 313 /* 314 * The destination pud shouldn't be established, free_pgtables() 315 * should have released it. 316 */ 317 if (WARN_ON_ONCE(!pud_none(*new_pud))) 318 return false; 319 320 /* 321 * We don't have to worry about the ordering of src and dst 322 * ptlocks because exclusive mmap_lock prevents deadlock. 323 */ 324 old_ptl = pud_lock(vma->vm_mm, old_pud); 325 new_ptl = pud_lockptr(mm, new_pud); 326 if (new_ptl != old_ptl) 327 spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); 328 329 /* Clear the pud */ 330 pud = *old_pud; 331 pud_clear(old_pud); 332 333 VM_BUG_ON(!pud_none(*new_pud)); 334 335 pud_populate(mm, new_pud, pud_pgtable(pud)); > 336 flush_pud_tlb_range(vma, old_addr, old_addr + PUD_SIZE); 337 if (new_ptl != old_ptl) 338 spin_unlock(new_ptl); 339 spin_unlock(old_ptl); 340 341 return true; 342 } 343 #else 344 static inline bool move_normal_pud(struct vm_area_struct *vma, 345 unsigned long old_addr, unsigned long new_addr, pud_t *old_pud, 346 pud_t *new_pud) 347 { 348 return false; 349 } 350 #endif 351 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki