Hi Tamir,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 8f0b4cce4481fb22653697cced8d0d04027cb1e8]
url: https://github.com/intel-lab-lkp/linux/commits/Tamir-Duberstein/test_bitmap-... base: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 patch link: https://lore.kernel.org/r/20251222-bitmap-kunit-convert-v2-3-6a61a5330eff%40... patch subject: [PATCH v2 3/3] bitmap: break kunit into test cases config: arm64-randconfig-004-20251223 (https://download.01.org/0day-ci/archive/20251223/202512232235.vUHmJH7T-lkp@i...) compiler: aarch64-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251223/202512232235.vUHmJH7T-lkp@i...)
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 lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202512232235.vUHmJH7T-lkp@intel.com/
All warnings (new ones prefixed by >>):
lib/bitmap_kunit.c: In function 'test_bitmap_printlist':
lib/bitmap_kunit.c:468:2: warning: 'memset' used with length equal to number of elements without multiplication by element size [-Wmemset-elt-size]
468 | memset(bmap, -1, PAGE_SIZE); | ^~~~~~
vim +/memset +468 lib/bitmap_kunit.c
6ea86bdfc169ba lib/test_bitmap.c Yury Norov 2019-05-14 459 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 460 static void test_bitmap_printlist(struct kunit *kunittest) db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 461 { 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 462 static long bmap[PAGE_SIZE]; 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 463 static char buf[PAGE_SIZE]; db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 464 char expected[256]; db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 465 int ret, slen; db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 466 ktime_t time; db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 467 db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 @468 memset(bmap, -1, PAGE_SIZE); 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 469 slen = snprintf(expected, sizeof(expected), "0-%ld\n", PAGE_SIZE * 8 - 1); 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 470 KUNIT_ASSERT_GT(kunittest, slen, 0); db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 471 db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 472 time = ktime_get(); db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 473 ret = bitmap_print_to_pagebuf(true, buf, bmap, PAGE_SIZE * 8); db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 474 time = ktime_get() - time; db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 475 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 476 KUNIT_ASSERT_EQ(kunittest, ret, slen); 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 477 KUNIT_ASSERT_STREQ(kunittest, buf, expected); db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 478 8ef3340af7139f lib/bitmap_kunit.c Tamir Duberstein 2025-12-22 479 kunit_info(kunittest, "Time: %llu", time); db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 480 } db7313005e9c2d lib/test_bitmap.c Yury Norov 2021-08-14 481