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 <[email protected]>

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/[email protected]

Attachment: .config.gz
Description: application/gzip

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