Hi Kirill,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.8-rc5 next-20160907]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Kirill-A-Shutemov/ipc-shm-fix-crash-if-CONFIG_SHMEM-is-not-set/20160907-204216
config: sh-rsk7201_defconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sh 

All errors (new ones prefixed by >>):

   ipc/shm.c: In function 'shm_get_unmapped_area':
>> ipc/shm.c:477:25: error: 'struct mm_struct' has no member named 'get_unmapped_area'
      get_area = current->mm->get_unmapped_area;
                            ^

vim +477 ipc/shm.c

   471				unsigned long, unsigned long);
   472		struct shm_file_data *sfd = shm_file_data(file);
   473	
   474		if (sfd->file->f_op->get_unmapped_area)
   475			get_area = sfd->file->f_op->get_unmapped_area;
   476		else
 > 477			get_area = current->mm->get_unmapped_area;
   478		return get_area(sfd->file, addr, len, pgoff, flags);
   479	}
   480	

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