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28 Jan 2022 22:52:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,326,1635231600"; d="scan'208";a="582090112" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by fmsmga008.fm.intel.com with ESMTP; 28 Jan 2022 22:52:43 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nDhbG-000Osw-Uj; Sat, 29 Jan 2022 06:52:42 +0000 Date: Sat, 29 Jan 2022 14:52:25 +0800 From: kernel test robot To: Peter Xu Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Todd Kjos , Andrew Morton , Linux Memory Management List , Lokesh Gidra Subject: [ammarfaizi2-block:google/android/kernel/common/android13-5.10 78/9999] mm/hugetlb.c:5458:8: error: conflicting types for 'huge_pmd_share'; have 'pte_t *(struct mm_struct *, struct vm_area_struct, long unsigned int, pud_t *)' Message-ID: <202201291327.GJQAX1sW-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 83E16100003 X-Stat-Signature: eiz6i5u3pd347dx33eif3jm1zxi4fmkd Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=Ep5Mhu8V; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf05.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.151) smtp.mailfrom=lkp@intel.com X-Rspam-User: nil X-HE-Tag: 1643439167-936858 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: tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android13-5.10 head: 8a98494ddc958f3f43d2411306524b505e2f4fa9 commit: 59caf93f36aed4b7c5960672376b966e3f5b2bf1 [78/9999] BACKPORT: FROMGIT: hugetlb: pass vma into huge_pte_alloc() and huge_pmd_share() config: arm64-buildonly-randconfig-r001-20220124 (https://download.01.org/0day-ci/archive/20220129/202201291327.GJQAX1sW-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/ammarfaizi2/linux-block/commit/59caf93f36aed4b7c5960672376b966e3f5b2bf1 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android13-5.10 git checkout 59caf93f36aed4b7c5960672376b966e3f5b2bf1 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Note: the ammarfaizi2-block/google/android/kernel/common/android13-5.10 HEAD 8a98494ddc958f3f43d2411306524b505e2f4fa9 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): >> mm/hugetlb.c:5458:8: error: conflicting types for 'huge_pmd_share'; have 'pte_t *(struct mm_struct *, struct vm_area_struct, long unsigned int, pud_t *)' 5458 | pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct vma, | ^~~~~~~~~~~~~~ In file included from mm/hugetlb.c:39: include/linux/hugetlb.h:155:8: note: previous declaration of 'huge_pmd_share' with type 'pte_t *(struct mm_struct *, struct vm_area_struct *, long unsigned int, pud_t *)' 155 | pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma, | ^~~~~~~~~~~~~~ vim +5458 mm/hugetlb.c 5425 5426 /* 5427 * unmap huge page backed by shared pte. 5428 * 5429 * Hugetlb pte page is ref counted at the time of mapping. If pte is shared 5430 * indicated by page_count > 1, unmap is achieved by clearing pud and 5431 * decrementing the ref count. If count == 1, the pte page is not shared. 5432 * 5433 * Called with page table lock held and i_mmap_rwsem held in write mode. 5434 * 5435 * returns: 1 successfully unmapped a shared pte page 5436 * 0 the underlying pte page is not shared, or it is the last user 5437 */ 5438 int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma, 5439 unsigned long *addr, pte_t *ptep) 5440 { 5441 pgd_t *pgd = pgd_offset(mm, *addr); 5442 p4d_t *p4d = p4d_offset(pgd, *addr); 5443 pud_t *pud = pud_offset(p4d, *addr); 5444 5445 i_mmap_assert_write_locked(vma->vm_file->f_mapping); 5446 BUG_ON(page_count(virt_to_page(ptep)) == 0); 5447 if (page_count(virt_to_page(ptep)) == 1) 5448 return 0; 5449 5450 pud_clear(pud); 5451 put_page(virt_to_page(ptep)); 5452 mm_dec_nr_pmds(mm); 5453 *addr = ALIGN(*addr, HPAGE_SIZE * PTRS_PER_PTE) - HPAGE_SIZE; 5454 return 1; 5455 } 5456 #define want_pmd_share() (1) 5457 #else /* !CONFIG_ARCH_WANT_HUGE_PMD_SHARE */ > 5458 pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct vma, 5459 unsigned long addr, pud_t *pud) 5460 { 5461 return NULL; 5462 } 5463 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org