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Message-ID: <202305270116.TJ31IjNL-lkp@intel.com>
Date:   Sat, 27 May 2023 01:44:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Liang Chen <liangchen.linux@...il.com>, jasowang@...hat.com,
        mst@...hat.com
Cc:     oe-kbuild-all@...ts.linux.dev,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, xuanzhuo@...ux.alibaba.com,
        kuba@...nel.org, edumazet@...gle.com, davem@...emloft.net,
        pabeni@...hat.com, alexander.duyck@...il.com,
        Liang Chen <liangchen.linux@...il.com>
Subject: Re: [PATCH net-next 3/5] virtio_net: Add page pool fragmentation
 support

Hi Liang,

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/Liang-Chen/virtio_net-Add-page_pool-support-to-improve-performance/20230526-135805
base:   net-next/main
patch link:    https://lore.kernel.org/r/20230526054621.18371-3-liangchen.linux%40gmail.com
patch subject: [PATCH net-next 3/5] virtio_net: Add page pool fragmentation support
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230527/202305270116.TJ31IjNL-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/dda0469e059354b61192e1d25b77c57351346282
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Liang-Chen/virtio_net-Add-page_pool-support-to-improve-performance/20230526-135805
        git checkout dda0469e059354b61192e1d25b77c57351346282
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305270116.TJ31IjNL-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: vmlinux.o: in function `virtnet_find_vqs':
   virtio_net.c:(.text+0x901fd2): undefined reference to `page_pool_create'
   ld: vmlinux.o: in function `add_recvbuf_mergeable.isra.0':
   virtio_net.c:(.text+0x905662): undefined reference to `page_pool_alloc_pages'
>> ld: virtio_net.c:(.text+0x905715): undefined reference to `page_pool_alloc_frag'
   ld: vmlinux.o: in function `xdp_linearize_page':
   virtio_net.c:(.text+0x906c50): undefined reference to `page_pool_alloc_pages'
   ld: virtio_net.c:(.text+0x906e33): undefined reference to `page_pool_alloc_frag'
   ld: vmlinux.o: in function `mergeable_xdp_get_buf.isra.0':
>> virtio_net.c:(.text+0x90740e): undefined reference to `page_pool_alloc_frag'
>> ld: virtio_net.c:(.text+0x90750b): undefined reference to `page_pool_alloc_pages'

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

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