Warnings before patch:
files: ['mm/page_alloc.c', 'net/core/page_pool.c', 'net/core/netmem_priv.h', 'include/net/netmem.h', 'include/linux/page-flags.h', 'drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c', 'include/linux/mm.h']
Warning: include/linux/mm.h:239 No description found for return value of 'folio_page_idx'
Warning: include/linux/mm.h:1274 No description found for return value of 'thp_order'
Warning: include/linux/mm.h:1990 No description found for return value of 'is_zero_page'
Warning: include/linux/mm.h:2001 No description found for return value of 'is_zero_folio'
Warning: include/linux/mm.h:2260 No description found for return value of 'folio_expected_ref_count'
Warning: include/linux/page-flags.h:785 No description found for return value of 'folio_test_uptodate'
Warning: include/linux/page-flags.h:1159 No description found for return value of 'page_has_movable_ops'
Warning: include/linux/page-flags.h:1243 No description found for return value of 'folio_has_private'
Warning: mm/page_alloc.c:2091 No description found for return value of '__move_freepages_block_isolate'
Warning: net/core/page_pool.c:86 No description found for return value of 'page_pool_get_stats'
Warning: net/core/page_pool.c:334 No description found for return value of 'page_pool_create_percpu'
Warning: net/core/page_pool.c:366 No description found for return value of 'page_pool_create'

Current warnings:
files: ['mm/page_alloc.c', 'net/core/page_pool.c', 'net/core/netmem_priv.h', 'include/net/netmem.h', 'include/linux/page-flags.h', 'drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c', 'include/linux/mm.h']
Warning: include/linux/mm.h:239 No description found for return value of 'folio_page_idx'
Warning: include/linux/mm.h:1274 No description found for return value of 'thp_order'
Warning: include/linux/mm.h:1990 No description found for return value of 'is_zero_page'
Warning: include/linux/mm.h:2001 No description found for return value of 'is_zero_folio'
Warning: include/linux/mm.h:2260 No description found for return value of 'folio_expected_ref_count'
Warning: include/linux/page-flags.h:785 No description found for return value of 'folio_test_uptodate'
Warning: include/linux/page-flags.h:1165 No description found for return value of 'page_has_movable_ops'
Warning: include/linux/page-flags.h:1249 No description found for return value of 'folio_has_private'
Warning: mm/page_alloc.c:2091 No description found for return value of '__move_freepages_block_isolate'
Warning: net/core/page_pool.c:86 No description found for return value of 'page_pool_get_stats'
Warning: net/core/page_pool.c:334 No description found for return value of 'page_pool_create_percpu'
Warning: net/core/page_pool.c:366 No description found for return value of 'page_pool_create'

Warnings before: 12 after: 12