Warnings before patch:
files: ['mm/memcontrol.c']
Warning: mm/memcontrol.c:251 No description found for return value of 'mem_cgroup_css_from_folio'
Warning: mm/memcontrol.c:274 No description found for return value of 'page_cgroup_ino'
Warning: mm/memcontrol.c:907 No description found for return value of 'get_mem_cgroup_from_mm'
Warning: mm/memcontrol.c:949 No description found for return value of 'get_mem_cgroup_from_current'
Warning: mm/memcontrol.c:971 No description found for return value of 'get_mem_cgroup_from_folio'
Warning: mm/memcontrol.c:1004 No description found for return value of 'mem_cgroup_iter'
Warning: mm/memcontrol.c:1306 No description found for return value of 'mem_cgroup_margin'
Warning: mm/memcontrol.c:1691 No description found for return value of 'mem_cgroup_get_oom_group'
Warning: mm/memcontrol.c:1796 No description found for return value of 'consume_stock'
Warning: mm/memcontrol.c:2836 No description found for return value of '__memcg_kmem_charge_page'
Warning: mm/memcontrol.c:3615 No description found for return value of 'mem_cgroup_from_id'
Warning: mm/memcontrol.c:4736 No description found for return value of 'mem_cgroup_charge_hugetlb'
Warning: mm/memcontrol.c:4771 No description found for return value of 'mem_cgroup_swapin_charge_folio'
Warning: mm/memcontrol.c:5054 No description found for return value of 'mem_cgroup_sk_charge'
Warning: mm/memcontrol.c:5157 No description found for return value of '__mem_cgroup_try_charge_swap'
Warning: mm/memcontrol.c:5407 No description found for return value of 'obj_cgroup_may_zswap'

Current warnings:
files: ['mm/memcontrol.c']
Warning: mm/memcontrol.c:251 No description found for return value of 'mem_cgroup_css_from_folio'
Warning: mm/memcontrol.c:274 No description found for return value of 'page_cgroup_ino'
Warning: mm/memcontrol.c:907 No description found for return value of 'get_mem_cgroup_from_mm'
Warning: mm/memcontrol.c:949 No description found for return value of 'get_mem_cgroup_from_current'
Warning: mm/memcontrol.c:971 No description found for return value of 'get_mem_cgroup_from_folio'
Warning: mm/memcontrol.c:1004 No description found for return value of 'mem_cgroup_iter'
Warning: mm/memcontrol.c:1306 No description found for return value of 'mem_cgroup_margin'
Warning: mm/memcontrol.c:1691 No description found for return value of 'mem_cgroup_get_oom_group'
Warning: mm/memcontrol.c:1796 No description found for return value of 'consume_stock'
Warning: mm/memcontrol.c:2843 No description found for return value of '__memcg_kmem_charge_page'
Warning: mm/memcontrol.c:3622 No description found for return value of 'mem_cgroup_from_id'
Warning: mm/memcontrol.c:4743 No description found for return value of 'mem_cgroup_charge_hugetlb'
Warning: mm/memcontrol.c:4778 No description found for return value of 'mem_cgroup_swapin_charge_folio'
Warning: mm/memcontrol.c:5061 No description found for return value of 'mem_cgroup_sk_charge'
Warning: mm/memcontrol.c:5164 No description found for return value of '__mem_cgroup_try_charge_swap'
Warning: mm/memcontrol.c:5414 No description found for return value of 'obj_cgroup_may_zswap'

Warnings before: 16 after: 16