Warnings before patch:
files: ['include/linux/memcontrol.h', 'mm/memcontrol-v1.h']
Warning: include/linux/memcontrol.h:707 No description found for return value of 'mem_cgroup_lruvec'
Warning: include/linux/memcontrol.h:739 No description found for return value of 'folio_lruvec'
Warning: include/linux/memcontrol.h:862 No description found for return value of 'parent_mem_cgroup'
Warning: include/linux/memcontrol.h:707 No description found for return value of 'mem_cgroup_lruvec'
Warning: include/linux/memcontrol.h:739 No description found for return value of 'folio_lruvec'
Warning: include/linux/memcontrol.h:862 No description found for return value of 'parent_mem_cgroup'

Current warnings:
files: ['include/linux/memcontrol.h', 'mm/memcontrol-v1.h']
Warning: include/linux/memcontrol.h:707 No description found for return value of 'mem_cgroup_lruvec'
Warning: include/linux/memcontrol.h:739 No description found for return value of 'folio_lruvec'
Warning: include/linux/memcontrol.h:862 No description found for return value of 'parent_mem_cgroup'
Warning: include/linux/memcontrol.h:707 No description found for return value of 'mem_cgroup_lruvec'
Warning: include/linux/memcontrol.h:739 No description found for return value of 'folio_lruvec'
Warning: include/linux/memcontrol.h:862 No description found for return value of 'parent_mem_cgroup'

Warnings before: 6 after: 6