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Message-ID: <202506201556.3CQsVRca-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 504A0140002 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: gzi4z78hwuug7qshgoshic4ies7toyeu X-HE-Tag: 1750406087-530547 X-HE-Meta: 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 FfwbRyWa UOTSHkmM484GGYF27zEaca+6DmG6TXWqDzpujX1oQwoHIKwsT4nXs8iyzKsu22+C2tBd61HQ4XVn35JcvHEuHiquIJz7ol39vsrHCI73WXr7CrYVmH/2vGOxJIrDeZh99LEtylFj4NUHxO59C7buzuKTIYiK+cYv2wGYyXfI2N0h6gFpeTfS5slcGdnlOKfozl3gI1RK/jW6qqxlicgAlOiIytmz94l1FnXa0UYjjeKDEMwsPOBXpXznncwUjmGMv0q9DellsBsaaBC3k3hCoE7VHrF7NuTdiHBVXup92rImyD98xflaMKBMIBdXVdocTanSyvuBQ8bjF1vw7/AKAcSrMo8pabfkdxW5h3qXm7FvBrFgt9tgHFQC4jB3kZGZfkfi8HIZfc2BF9j6T+C/J+a38ceqvUjkCmS8P 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 2cdf4156ee65d8b988f460ee2c8802ea7c455fa7 commit: 5b70675cebc3dfcdb355054122698de788cb052d [31/159] mm/alloc_tag: fix the kmemleak false positive issue in the allocation of the percpu variable tag->counters config: csky-randconfig-001-20250620 (https://download.01.org/0day-ci/archive/20250620/202506201556.3CQsVRca-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250620/202506201556.3CQsVRca-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/202506201556.3CQsVRca-lkp@intel.com/ All errors (new ones prefixed by >>): lib/alloc_tag.c: In function 'load_module': >> lib/alloc_tag.c:641:17: error: implicit declaration of function 'kmemleak_igonore_percpu'; did you mean 'kmemleak_ignore_phys'? [-Werror=implicit-function-declaration] 641 | kmemleak_igonore_percpu(tag->counters); | ^~~~~~~~~~~~~~~~~~~~~~~ | kmemleak_ignore_phys cc1: some warnings being treated as errors vim +641 lib/alloc_tag.c 610 611 static int load_module(struct module *mod, struct codetag *start, struct codetag *stop) 612 { 613 /* Allocate module alloc_tag percpu counters */ 614 struct alloc_tag *start_tag; 615 struct alloc_tag *stop_tag; 616 struct alloc_tag *tag; 617 618 /* percpu counters for core allocations are already statically allocated */ 619 if (!mod) 620 return 0; 621 622 start_tag = ct_to_alloc_tag(start); 623 stop_tag = ct_to_alloc_tag(stop); 624 for (tag = start_tag; tag < stop_tag; tag++) { 625 WARN_ON(tag->counters); 626 tag->counters = alloc_percpu(struct alloc_tag_counters); 627 if (!tag->counters) { 628 while (--tag >= start_tag) { 629 free_percpu(tag->counters); 630 tag->counters = NULL; 631 } 632 pr_err("Failed to allocate memory for allocation tag percpu counters in the module %s\n", 633 mod->name); 634 return -ENOMEM; 635 } 636 637 /* 638 * Avoid a kmemleak false positive. The pointer to the counters is stored 639 * in the alloc_tag section of the module and cannot be directly accessed. 640 */ > 641 kmemleak_igonore_percpu(tag->counters); 642 } 643 return 0; 644 } 645 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki