kernel/cgroup/debug.c:1: warning: no structured comments found

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   98b1cc82c4affc16f5598d4fa14b1858671b2263
commit: a28f8f5e995fe5964ae304444913536058f26e37 cgroup: Move debug cgroup to its own file
date:   6 years ago
config: i386-buildonly-randconfig-005-20231120 (https://download.01.org/0day-ci/archive/20231121/202311211005.Qwt1FHrO-lkp@xxxxxxxxx/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231121/202311211005.Qwt1FHrO-lkp@xxxxxxxxx/reproduce)

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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311211005.Qwt1FHrO-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> kernel/cgroup/debug.c:1: warning: no structured comments found


vim +1 kernel/cgroup/debug.c

   > 1	#include <linux/ctype.h>
     2	#include <linux/mm.h>
     3	#include <linux/slab.h>
     4	

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