Messages in this thread | | | Date | Sat, 3 Sep 2022 11:46:56 +0800 | From | kernel test robot <> | Subject | [djbw-nvdimm:libnvdimm-pending 12/16] drivers/dax/mapping.c:345:17: error: implicit declaration of function 'get_dev_pagemap_many'; did you mean 'put_dev_pagemap_many'? |
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Hi Dan,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending head: ac9d6b3ba0a537b67bdc8e525308dc371da91e1b commit: fd2e18c05d353b59283b4cb5508bafecd766b304 [12/16] devdax: Move address_space helpers to the DAX core config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220903/202209031128.VXHDkr70-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git/commit/?id=fd2e18c05d353b59283b4cb5508bafecd766b304 git remote add djbw-nvdimm https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git git fetch --no-tags djbw-nvdimm libnvdimm-pending git checkout fd2e18c05d353b59283b4cb5508bafecd766b304 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/dax/mapping.c: In function 'dax_associate_entry': >> drivers/dax/mapping.c:345:17: error: implicit declaration of function 'get_dev_pagemap_many'; did you mean 'put_dev_pagemap_many'? [-Werror=implicit-function-declaration] 345 | pgmap = get_dev_pagemap_many(pfn, NULL, PHYS_PFN(size)); | ^~~~~~~~~~~~~~~~~~~~ | put_dev_pagemap_many drivers/dax/mapping.c:345:15: warning: assignment to 'struct dev_pagemap *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 345 | pgmap = get_dev_pagemap_many(pfn, NULL, PHYS_PFN(size)); | ^ cc1: some warnings being treated as errors
vim +345 drivers/dax/mapping.c
324 325 /* 326 * When it is called in dax_insert_entry(), the cow flag will indicate that 327 * whether this entry is shared by multiple files. If so, set the page->mapping 328 * FS_DAX_MAPPING_COW, and use page->index as refcount. 329 */ 330 static vm_fault_t dax_associate_entry(void *entry, 331 struct address_space *mapping, 332 struct vm_fault *vmf, unsigned long flags) 333 { 334 unsigned long size = dax_entry_size(entry), pfn, index; 335 struct dev_pagemap *pgmap; 336 int i = 0; 337 338 if (IS_ENABLED(CONFIG_FS_DAX_LIMITED)) 339 return 0; 340 341 if (!size) 342 return 0; 343 344 pfn = dax_to_pfn(entry); > 345 pgmap = get_dev_pagemap_many(pfn, NULL, PHYS_PFN(size)); 346 if (!pgmap) 347 return VM_FAULT_SIGBUS; 348 349 index = linear_page_index(vmf->vma, ALIGN(vmf->address, size)); 350 for_each_mapped_pfn(entry, pfn) { 351 struct page *page = pfn_to_page(pfn); 352 353 if (flags & DAX_COW) { 354 dax_mapping_set_cow(page); 355 } else { 356 WARN_ON_ONCE(page->mapping); 357 page->mapping = mapping; 358 page->index = index + i++; 359 } 360 } 361 362 return 0; 363 } 364
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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