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Message-ID: <202505240152.9ODpQBK0-lkp@intel.com>
Date: Sat, 24 May 2025 01:16:35 +0800
From: kernel test robot <lkp@...el.com>
To: Byungchul Park <byungchul@...com>, willy@...radead.org,
	netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, kernel_team@...ynix.com, kuba@...nel.org,
	almasrymina@...gle.com, ilias.apalodimas@...aro.org,
	harry.yoo@...cle.com, hawk@...nel.org, akpm@...ux-foundation.org,
	davem@...emloft.net, john.fastabend@...il.com,
	andrew+netdev@...n.ch, asml.silence@...il.com, toke@...hat.com,
	tariqt@...dia.com, edumazet@...gle.com, pabeni@...hat.com,
	saeedm@...dia.com, leon@...nel.org, ast@...nel.org,
	daniel@...earbox.net, david@...hat.com, lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com, vbabka@...e.cz, rppt@...nel.org,
	surenb@...gle.com, mhocko@...e.com
Subject: Re: [PATCH 18/18] mm, netmem: remove the page pool members in struct
 page

Hi Byungchul,

kernel test robot noticed the following build errors:

[auto build test ERROR on f44092606a3f153bb7e6b277006b1f4a5b914cfc]

url:    https://github.com/intel-lab-lkp/linux/commits/Byungchul-Park/netmem-introduce-struct-netmem_desc-struct_group_tagged-ed-on-struct-net_iov/20250523-112806
base:   f44092606a3f153bb7e6b277006b1f4a5b914cfc
patch link:    https://lore.kernel.org/r/20250523032609.16334-19-byungchul%40sk.com
patch subject: [PATCH 18/18] mm, netmem: remove the page pool members in struct page
config: x86_64-rhel-9.4-kunit (https://download.01.org/0day-ci/archive/20250524/202505240152.9ODpQBK0-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505240152.9ODpQBK0-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/202505240152.9ODpQBK0-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/net/intel/libie/rx.h:7,
                    from drivers/net/ethernet/intel/iavf/iavf_txrx.c:5:
   include/net/libeth/rx.h: In function 'libeth_rx_sync_for_cpu':
   include/net/libeth/rx.h:140:40: error: 'struct page' has no member named 'pp'
     140 |         page_pool_dma_sync_for_cpu(page->pp, page, fqe->offset, len);
         |                                        ^~
   drivers/net/ethernet/intel/iavf/iavf_txrx.c: In function 'iavf_add_rx_frag':
>> drivers/net/ethernet/intel/iavf/iavf_txrx.c:1200:33: error: 'struct page' has no member named 'pp'
    1200 |         u32 hr = rx_buffer->page->pp->p.offset;
         |                                 ^~
   drivers/net/ethernet/intel/iavf/iavf_txrx.c: In function 'iavf_build_skb':
   drivers/net/ethernet/intel/iavf/iavf_txrx.c:1217:33: error: 'struct page' has no member named 'pp'
    1217 |         u32 hr = rx_buffer->page->pp->p.offset;
         |                                 ^~
--
   In file included from drivers/net/ethernet/intel/idpf/idpf_txrx.c:4:
   include/net/libeth/rx.h: In function 'libeth_rx_sync_for_cpu':
   include/net/libeth/rx.h:140:40: error: 'struct page' has no member named 'pp'
     140 |         page_pool_dma_sync_for_cpu(page->pp, page, fqe->offset, len);
         |                                        ^~
   drivers/net/ethernet/intel/idpf/idpf_txrx.c: In function 'idpf_rx_page_rel':
>> drivers/net/ethernet/intel/idpf/idpf_txrx.c:389:45: error: 'struct page' has no member named 'pp'
     389 |         page_pool_put_full_page(rx_buf->page->pp, rx_buf->page, false);
         |                                             ^~
   drivers/net/ethernet/intel/idpf/idpf_txrx.c: In function 'idpf_rx_add_frag':
   drivers/net/ethernet/intel/idpf/idpf_txrx.c:3254:30: error: 'struct page' has no member named 'pp'
    3254 |         u32 hr = rx_buf->page->pp->p.offset;
         |                              ^~
   drivers/net/ethernet/intel/idpf/idpf_txrx.c: In function 'idpf_rx_hsplit_wa':
   drivers/net/ethernet/intel/idpf/idpf_txrx.c:3286:64: error: 'struct page' has no member named 'pp'
    3286 |         dst = page_address(hdr->page) + hdr->offset + hdr->page->pp->p.offset;
         |                                                                ^~
   drivers/net/ethernet/intel/idpf/idpf_txrx.c:3287:64: error: 'struct page' has no member named 'pp'
    3287 |         src = page_address(buf->page) + buf->offset + buf->page->pp->p.offset;
         |                                                                ^~
   drivers/net/ethernet/intel/idpf/idpf_txrx.c: In function 'idpf_rx_build_skb':
   drivers/net/ethernet/intel/idpf/idpf_txrx.c:3305:27: error: 'struct page' has no member named 'pp'
    3305 |         u32 hr = buf->page->pp->p.offset;
         |                           ^~
--
   In file included from drivers/net/wireless/mediatek/mt76/mt76x2/../mt76x02.h:12,
                    from drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h:23,
                    from drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c:9:
   drivers/net/wireless/mediatek/mt76/mt76x2/../mt76.h: In function 'mt76_put_page_pool_buf':
>> drivers/net/wireless/mediatek/mt76/mt76x2/../mt76.h:1788:37: error: 'struct page' has no member named 'pp'
    1788 |         page_pool_put_full_page(page->pp, page, allow_direct);
         |                                     ^~


vim +1200 drivers/net/ethernet/intel/iavf/iavf_txrx.c

7f12ad741a4870 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Greg Rose         2013-12-21  1184  
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1185  /**
56184e01c00d6d drivers/net/ethernet/intel/iavf/iavf_txrx.c   Jesse Brandeburg  2018-09-14  1186   * iavf_add_rx_frag - Add contents of Rx buffer to sk_buff
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1187   * @skb: sk_buff to place the data into
5fa4caff59f251 drivers/net/ethernet/intel/iavf/iavf_txrx.c   Alexander Lobakin 2024-04-18  1188   * @rx_buffer: buffer containing page to add
a0cfc3130eef54 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1189   * @size: packet length from rx_desc
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1190   *
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1191   * This function will add the data contained in rx_buffer->page to the skb.
fa2343e9034ce6 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1192   * It will just attach the page as a frag to the skb.
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1193   *
fa2343e9034ce6 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1194   * The function will then update the page offset.
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1195   **/
5fa4caff59f251 drivers/net/ethernet/intel/iavf/iavf_txrx.c   Alexander Lobakin 2024-04-18  1196  static void iavf_add_rx_frag(struct sk_buff *skb,
5fa4caff59f251 drivers/net/ethernet/intel/iavf/iavf_txrx.c   Alexander Lobakin 2024-04-18  1197  			     const struct libeth_fqe *rx_buffer,
a0cfc3130eef54 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1198  			     unsigned int size)
ab9ad98eb5f95b drivers/net/ethernet/intel/i40evf/i40e_txrx.c Jesse Brandeburg  2016-04-18  1199  {
5fa4caff59f251 drivers/net/ethernet/intel/iavf/iavf_txrx.c   Alexander Lobakin 2024-04-18 @1200  	u32 hr = rx_buffer->page->pp->p.offset;
efa14c3985828d drivers/net/ethernet/intel/iavf/iavf_txrx.c   Mitch Williams    2019-05-14  1201  
fa2343e9034ce6 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1202  	skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page,
5fa4caff59f251 drivers/net/ethernet/intel/iavf/iavf_txrx.c   Alexander Lobakin 2024-04-18  1203  			rx_buffer->offset + hr, size, rx_buffer->truesize);
9a064128fc8489 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1204  }
9a064128fc8489 drivers/net/ethernet/intel/i40evf/i40e_txrx.c Alexander Duyck   2017-03-14  1205  

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

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