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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250910024447.64788-2-laoar.shao@gmail.com> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 7EA342000E X-Stat-Signature: d9dygftd1b7jqd46hubgjxnkisf36bpr X-Rspam-User: X-HE-Tag: 1757525349-694019 X-HE-Meta: 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 0g6sUQE1 hMsoHbA/qb7KNbawylmxngjNj+L7iu8RNCVRyJtkCWAWDoVVFmsbLZXfMOpaBycMe1QsNO8UVTAQpmIe8HDcP1flhjMQtVyaxEjG6mmwJRWoGJlY3n2qMdMOJ27/6EIwmIR337lFe7YdnCK6lvlUSS9mKhqsGJdMzEiWhjM4kSGULUfOt4JSnWLslUD2YXfWk52KI113DuBYXxkrGzMXNOBYT7wSE08gKI0Im7HSAtTig/i1t9ylHwsmqV+3BrfeSvt2OFbKzwt9MtrRg5t4J+DAN/dmR3mcNdJtdNhmO5aWklcHYKS44vRLp57+px2e0JlWlvW3q1rgeOiDfUGWuVEaypI+lWBnSax2jCIj/0i8fpv+Ik8e/lvRCIhtjhwBoBJOE2QmmyeNQHM0Io9s/76pj3UEsnT1BkSJ5tDz3J04JLWKDUGhjW+UmQlFzRs26nYWN3K6sR1FJ0q31U8tGRifkwg== 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 Yafang, 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/Yafang-Shao/mm-thp-remove-disabled-task-from-khugepaged_mm_slot/20250910-144850 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250910024447.64788-2-laoar.shao%40gmail.com patch subject: [PATCH v7 mm-new 01/10] mm: thp: remove disabled task from khugepaged_mm_slot config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20250911/202509110109.PSgSHb31-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250911/202509110109.PSgSHb31-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/202509110109.PSgSHb31-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/sys.c:2500:6: error: call to undeclared function 'hugepage_pmd_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2500 | hugepage_pmd_enabled()) | ^ >> kernel/sys.c:2501:3: error: call to undeclared function '__khugepaged_enter'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2501 | __khugepaged_enter(mm); | ^ 2 errors generated. vim +/hugepage_pmd_enabled +2500 kernel/sys.c 2471 2472 static int prctl_set_thp_disable(bool thp_disable, unsigned long flags, 2473 unsigned long arg4, unsigned long arg5) 2474 { 2475 struct mm_struct *mm = current->mm; 2476 2477 if (arg4 || arg5) 2478 return -EINVAL; 2479 2480 /* Flags are only allowed when disabling. */ 2481 if ((!thp_disable && flags) || (flags & ~PR_THP_DISABLE_EXCEPT_ADVISED)) 2482 return -EINVAL; 2483 if (mmap_write_lock_killable(current->mm)) 2484 return -EINTR; 2485 if (thp_disable) { 2486 if (flags & PR_THP_DISABLE_EXCEPT_ADVISED) { 2487 mm_flags_clear(MMF_DISABLE_THP_COMPLETELY, mm); 2488 mm_flags_set(MMF_DISABLE_THP_EXCEPT_ADVISED, mm); 2489 } else { 2490 mm_flags_set(MMF_DISABLE_THP_COMPLETELY, mm); 2491 mm_flags_clear(MMF_DISABLE_THP_EXCEPT_ADVISED, mm); 2492 } 2493 } else { 2494 mm_flags_clear(MMF_DISABLE_THP_COMPLETELY, mm); 2495 mm_flags_clear(MMF_DISABLE_THP_EXCEPT_ADVISED, mm); 2496 } 2497 2498 if (!mm_flags_test(MMF_DISABLE_THP_COMPLETELY, mm) && 2499 !mm_flags_test(MMF_VM_HUGEPAGE, mm) && > 2500 hugepage_pmd_enabled()) > 2501 __khugepaged_enter(mm); 2502 mmap_write_unlock(current->mm); 2503 return 0; 2504 } 2505 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki