Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20220310] [cannot apply to linus/master v5.17-rc7 v5.17-rc6 v5.17-rc5 v5.17-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/menglong8-dong-gmail-com/net-skb-move-enum-skb_drop_reason-to-uapi/20220311-113243 base: 71941773e143369a73c9c4a3b62fbb60736a1182 config: i386-randconfig-a014 (https://download.01.org/0day-ci/archive/20220312/202203120451.wHvod29d-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/94a9a43cb9a6ba2e57d73b63226cbda08d24f6a2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review menglong8-dong-gmail-com/net-skb-move-enum-skb_drop_reason-to-uapi/20220311-113243 git checkout 94a9a43cb9a6ba2e57d73b63226cbda08d24f6a2 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from <command-line>:32: >> ./usr/include/linux/net_dropmon.h:6:10: fatal error: uapi/linux/netlink.h: No such file or directory 6 | #include <uapi/linux/netlink.h> | ^~~~~~~~~~~~~~~~~~~~~~ compilation terminated. --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx