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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250208-prime_numbers-kunit-convert-v2-2-863119447e04@gmail.com> X-Rspam-User: X-Rspamd-Queue-Id: B5DC180005 X-Rspamd-Server: rspam07 X-Stat-Signature: wios6xi5oxknwu5ybrxuo76tu7h5jkyz X-HE-Tag: 1739055077-906015 X-HE-Meta: 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 u55FdpyU 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 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 Tamir, kernel test robot noticed the following build errors: [auto build test ERROR on 2014c95afecee3e76ca4a56956a936e23283f05b] url: https://github.com/intel-lab-lkp/linux/commits/Tamir-Duberstein/lib-math-Hook-up-tests-Makefile/20250208-220040 base: 2014c95afecee3e76ca4a56956a936e23283f05b patch link: https://lore.kernel.org/r/20250208-prime_numbers-kunit-convert-v2-2-863119447e04%40gmail.com patch subject: [PATCH v2 2/2] lib/prime_numbers: convert self-test to KUnit config: i386-buildonly-randconfig-001-20250209 (https://download.01.org/0day-ci/archive/20250209/202502090640.RJYhwFQe-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250209/202502090640.RJYhwFQe-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/202502090640.RJYhwFQe-lkp@intel.com/ All errors (new ones prefixed by >>): lib/math/prime_numbers.c: In function 'expand_to_next_prime': >> lib/math/prime_numbers.c:126:15: error: implicit declaration of function 'kmalloc'; did you mean 'mm_alloc'? [-Werror=implicit-function-declaration] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^~~~~~~ | mm_alloc lib/math/prime_numbers.c:126:13: warning: assignment to 'struct primes *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^ >> lib/math/prime_numbers.c:134:17: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration] 134 | kfree(new); | ^~~~~ cc1: some warnings being treated as errors vim +126 lib/math/prime_numbers.c cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 106 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 107 static bool expand_to_next_prime(unsigned long x) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 108 { cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 109 const struct primes *p; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 110 struct primes *new; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 111 unsigned long sz, y; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 112 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 113 /* Betrand's Postulate (or Chebyshev's theorem) states that if n > 3, cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 114 * there is always at least one prime p between n and 2n - 2. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 115 * Equivalently, if n > 1, then there is always at least one prime p cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 116 * such that n < p < 2n. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 117 * cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 118 * http://mathworld.wolfram.com/BertrandsPostulate.html cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 119 * https://en.wikipedia.org/wiki/Bertrand's_postulate cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 120 */ cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 121 sz = 2 * x; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 122 if (sz < x) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 123 return false; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 124 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 125 sz = round_up(sz, BITS_PER_LONG); 717c8ae7aae4f2 lib/prime_numbers.c Chris Wilson 2017-01-13 @126 new = kmalloc(sizeof(*new) + bitmap_size(sz), 717c8ae7aae4f2 lib/prime_numbers.c Chris Wilson 2017-01-13 127 GFP_KERNEL | __GFP_NOWARN); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 128 if (!new) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 129 return false; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 130 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 131 mutex_lock(&lock); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 132 p = rcu_dereference_protected(primes, lockdep_is_held(&lock)); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 133 if (x < p->last) { cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 @134 kfree(new); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 135 goto unlock; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 136 } cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 137 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 138 /* Where memory permits, track the primes using the cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 139 * Sieve of Eratosthenes. The sieve is to remove all multiples of known cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 140 * primes from the set, what remains in the set is therefore prime. cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 141 */ cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 142 bitmap_fill(new->primes, sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 143 bitmap_copy(new->primes, p->primes, p->sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 144 for (y = 2UL; y < sz; y = find_next_bit(new->primes, sz, y + 1)) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 145 new->last = clear_multiples(y, new->primes, p->sz, sz); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 146 new->sz = sz; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 147 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 148 BUG_ON(new->last <= x); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 149 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 150 rcu_assign_pointer(primes, new); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 151 if (p != &small_primes) cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 152 kfree_rcu((struct primes *)p, rcu); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 153 cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 154 unlock: cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 155 mutex_unlock(&lock); cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 156 return true; cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 157 } cf4a7207b1cb4a lib/prime_numbers.c Chris Wilson 2016-12-22 158 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki