Hi Yizhen,
FYI, the error/warning still remains.
tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: c0e2b3247172ef46c6a75823867d668ad1c84e0c commit: f6206cf05e28a7f455850a4e2de8162890f50073 [18634/30000] ub: add memory map api in ubcore config: arm64-randconfig-003-20241029 (https://download.01.org/0day-ci/archive/20241029/202410291451.4EuMUHij-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241029/202410291451.4EuMUHij-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/202410291451.4EuMUHij-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/ub/urma/ubcore/ubcore_umem.c:227:21: warning: no previous prototype for 'ubcore_umem_get' [-Wmissing-prototypes]
227 | struct ubcore_umem *ubcore_umem_get(struct ubcore_device *dev, uint64_t va, uint64_t len, | ^~~~~~~~~~~~~~~
drivers/ub/urma/ubcore/ubcore_umem.c:245:6: warning: no previous prototype for 'ubcore_umem_release' [-Wmissing-prototypes]
245 | void ubcore_umem_release(struct ubcore_umem *umem) | ^~~~~~~~~~~~~~~~~~~
vim +/ubcore_umem_get +227 drivers/ub/urma/ubcore/ubcore_umem.c
226
227 struct ubcore_umem *ubcore_umem_get(struct ubcore_device *dev, uint64_t va, uint64_t len,
228 union ubcore_umem_flag flag) 229 { 230 struct page **page_list; 231 int ret; 232 233 ret = umem_verify_input(dev, va, len, flag); 234 if (ret < 0) 235 return ERR_PTR(ret); 236 237 page_list = (struct page **)__get_free_page(GFP_KERNEL); 238 if (page_list == 0) 239 return ERR_PTR(-ENOMEM); 240 241 return ubcore_get_target_umem(dev, va, len, flag, page_list); 242 } 243 EXPORT_SYMBOL(ubcore_umem_get); 244
245 void ubcore_umem_release(struct ubcore_umem *umem)