[mmotm:master 91/100] fs//notify/group.c:41:24: error: dereferencing pointer to incomplete type 'struct mem_cgroup'

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   20d36222026ad19bfaf7c7db505de8e18d758d51
commit: 11fd96879f7306ee004035f91b8fce63e2c4a60e [91/100] fs: fsnotify: account fsnotify metadata to kmemcg
config: x86_64-randconfig-i0-201815 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 11fd96879f7306ee004035f91b8fce63e2c4a60e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

Note: the mmotm/master HEAD 20d36222026ad19bfaf7c7db505de8e18d758d51 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   fs//notify/group.c: In function 'fsnotify_final_destroy_group':
>> fs//notify/group.c:41:24: error: dereferencing pointer to incomplete type 'struct mem_cgroup'
      css_put(&group->memcg->css);
                           ^~

vim +41 fs//notify/group.c

    31	
    32	/*
    33	 * Final freeing of a group
    34	 */
    35	static void fsnotify_final_destroy_group(struct fsnotify_group *group)
    36	{
    37		if (group->ops->free_group_priv)
    38			group->ops->free_group_priv(group);
    39	
    40		if (group->memcg)
  > 41			css_put(&group->memcg->css);
    42	
    43		kfree(group);
    44	}
    45	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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