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

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Message-ID: <202403290103.BHENUIYW-lkp@intel.com>
Date: Fri, 29 Mar 2024 01:18:30 +0800
From: kernel test robot <lkp@...el.com>
To: Mina Almasry <almasrymina@...gle.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Mina Almasry <almasrymina@...gle.com>,
	Ayush Sawal <ayush.sawal@...lsio.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Mirko Lindner <mlindner@...vell.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Tariq Toukan <tariqt@...dia.com>,
	Steffen Klassert <steffen.klassert@...unet.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	David Ahern <dsahern@...nel.org>,
	Boris Pismenny <borisp@...dia.com>,
	John Fastabend <john.fastabend@...il.com>,
	Dragos Tatulea <dtatulea@...dia.com>
Subject: Re: [PATCH net-next v2 2/3] net: mirror skb frag ref/unref helpers

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@...el.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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki