Re: [PATCH net-next v2 2/3] net: mirror skb frag ref/unref helpers

kernel test robot
2024-03-28T17:19:22Z

Hi Mina,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url: https://github.com/intel-lab-lkp/linux/commits/Mina-Almasry/net-make-napi_frag_unref-reuse-skb_page_unref/20240328-054816
base: net-next/main
patch link: https://lore.kernel.org/r/20240327214523.2182174-3-almasrymina%40google.com
patch subject: [PATCH net-next v2 2/3] net: mirror skb frag ref/unref helpers
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240329/202403290103.BHENUIYW-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 23de3862dce582ce91c1aa914467d982cb1a73b4)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240329/202403290103.BHENUIYW-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403290103.BHENUIYW-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from net/core/skbuff.c:40:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> net/core/skbuff.c:1016:21: error: use of undeclared identifier 'head_page'
1016 | page_pool_ref_page(head_page);
| ^
1 warning and 1 error generated.

vim +/head_page +1016 net/core/skbuff.c

1010
1011 page = compound_head(page);
1012
1013 if (!is_pp_page(page))
1014 return false;
1015
> 1016 page_pool_ref_page(head_page);
1017 return true;
1018 }
1019 EXPORT_SYMBOL(napi_pp_get_page);
1020

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