Warnings before patch:
files: ['include/linux/memcontrol.h', 'mm/bpf_memcontrol.c']
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: mm/bpf_memcontrol.c:21 No description found for return value of 'bpf_get_root_mem_cgroup'
Warning: mm/bpf_memcontrol.c:40 No description found for return value of 'bpf_get_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'
Warning: mm/bpf_memcontrol.c:21 No description found for return value of 'bpf_get_root_mem_cgroup'
Warning: mm/bpf_memcontrol.c:40 No description found for return value of 'bpf_get_mem_cgroup'

Current warnings:
files: ['include/linux/memcontrol.h', 'mm/bpf_memcontrol.c']
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: mm/bpf_memcontrol.c:21 No description found for return value of 'bpf_get_root_mem_cgroup'
Warning: mm/bpf_memcontrol.c:40 No description found for return value of 'bpf_get_mem_cgroup'
Warning: mm/bpf_memcontrol.c:86 No description found for return value of 'bpf_mem_cgroup_vm_events'
Warning: mm/bpf_memcontrol.c:97 No description found for return value of 'bpf_mem_cgroup_usage'
Warning: mm/bpf_memcontrol.c:109 No description found for return value of 'bpf_mem_cgroup_page_state'
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: mm/bpf_memcontrol.c:21 No description found for return value of 'bpf_get_root_mem_cgroup'
Warning: mm/bpf_memcontrol.c:40 No description found for return value of 'bpf_get_mem_cgroup'
Warning: mm/bpf_memcontrol.c:86 No description found for return value of 'bpf_mem_cgroup_vm_events'
Warning: mm/bpf_memcontrol.c:97 No description found for return value of 'bpf_mem_cgroup_usage'
Warning: mm/bpf_memcontrol.c:109 No description found for return value of 'bpf_mem_cgroup_page_state'

Warnings before: 10 after: 16 (add: 6)

New warnings added:
Warning: mm/bpf_memcontrol.c:86 No description found for return value of 'bpf_mem_cgroup_vm_events'
Warning: mm/bpf_memcontrol.c:97 No description found for return value of 'bpf_mem_cgroup_usage'
Warning: mm/bpf_memcontrol.c:109 No description found for return value of 'bpf_mem_cgroup_page_state'
Warning: mm/bpf_memcontrol.c:86 No description found for return value of 'bpf_mem_cgroup_vm_events'
Warning: mm/bpf_memcontrol.c:97 No description found for return value of 'bpf_mem_cgroup_usage'
Warning: mm/bpf_memcontrol.c:109 No description found for return value of 'bpf_mem_cgroup_page_state'
Per-file breakdown:
     6 mm/bpf_memcontrol.c