Hi Sumit, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.9-rc3] [cannot apply to hnaz-linux-mm/master linux/master next-20200828] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Sumit-Semwal/Anonymous-VMA-naming-patches/20200901-172131 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b51594df17d0ce80b9f9f35394a1f42d7ac94472 config: m68k-randconfig-s032-20200901 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): m68k-linux-ld: kernel/sys.o: in function `prctl_set_vma': >> kernel/sys.c:2294: undefined reference to `madvise_set_anon_name' # https://github.com/0day-ci/linux/commit/aff01cd66b017fe09b1a449d66c8988bcc5960b9 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Sumit-Semwal/Anonymous-VMA-naming-patches/20200901-172131 git checkout aff01cd66b017fe09b1a449d66c8988bcc5960b9 vim +2294 kernel/sys.c 2282 2283 #ifdef CONFIG_MMU 2284 static int prctl_set_vma(unsigned long opt, unsigned long addr, 2285 unsigned long len, unsigned long arg) 2286 { 2287 struct mm_struct *mm = current->mm; 2288 int error; 2289 2290 mmap_write_lock(mm); 2291 2292 switch (opt) { 2293 case PR_SET_VMA_ANON_NAME: > 2294 error = madvise_set_anon_name(addr, len, arg); 2295 break; 2296 default: 2297 error = -EINVAL; 2298 } 2299 2300 mmap_write_unlock(mm); 2301 2302 return error; 2303 } 2304 #else /* CONFIG_MMU */ 2305 static int prctl_set_vma(unsigned long opt, unsigned long start, 2306 unsigned long len_in, unsigned long arg) 2307 { 2308 return -EINVAL; 2309 } 2310 #endif 2311 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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