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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250208-prime_numbers-kunit-convert-v2-2-863119447e04@gmail.com> X-Rspamd-Queue-Id: F0B4440003 X-Stat-Signature: wmk8o9ertjd7ezd9sx9pncnizs5c3top X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1739053815-617141 X-HE-Meta: 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 QPXdHSRW 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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-002-20250209 (https://download.01.org/0day-ci/archive/20250209/202502090614.UJPLikn4-lkp@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250209/202502090614.UJPLikn4-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/202502090614.UJPLikn4-lkp@intel.com/ All errors (new ones prefixed by >>): >> lib/math/prime_numbers.c:126:8: error: call to undeclared function 'kmalloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^ lib/math/prime_numbers.c:126:8: note: did you mean 'mm_alloc'? include/linux/sched/mm.h:16:26: note: 'mm_alloc' declared here 16 | extern struct mm_struct *mm_alloc(void); | ^ >> lib/math/prime_numbers.c:126:6: error: incompatible integer to pointer conversion assigning to 'struct primes *' from 'int' [-Wint-conversion] 126 | new = kmalloc(sizeof(*new) + bitmap_size(sz), | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 127 | GFP_KERNEL | __GFP_NOWARN); | ~~~~~~~~~~~~~~~~~~~~~~~~~~ >> lib/math/prime_numbers.c:134:3: error: call to undeclared function 'kfree'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 134 | kfree(new); | ^ 3 errors generated. vim +/kmalloc +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