Hi Yajun, Thank you for the patch! Yet something to improve: [auto build test ERROR on net-next/master] url: https://github.com/0day-ci/linux/commits/Yajun-Deng/net-Keep-vertical-alignment/20210802-131102 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git aae950b189413ed3201354600d44223da0bcf63c config: powerpc-sam440ep_defconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 10.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/895e15bdf966d3c440d9e2e4cc0c9de89d899420 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Yajun-Deng/net-Keep-vertical-alignment/20210802-131102 git checkout 895e15bdf966d3c440d9e2e4cc0c9de89d899420 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): net/core/neighbour.c: In function 'neigh_stat_seq_show': >> net/core/neighbour.c:3322:2: error: too many arguments to function 'seq_puts' 3322 | seq_puts(seq, "%08x %08lx %08lx %08lx %08lx %08lx %08lx " | ^~~~~~~~ In file included from include/linux/seq_file_net.h:5, from include/net/net_namespace.h:183, from include/linux/netdevice.h:37, from net/core/neighbour.c:22: include/linux/seq_file.h:120:6: note: declared here 120 | void seq_puts(struct seq_file *m, const char *s); | ^~~~~~~~ -- net/ipv4/route.c: In function 'rt_cpu_seq_show': >> net/ipv4/route.c:283:2: error: too many arguments to function 'seq_puts' 283 | seq_puts(seq, "%08x %08x %08x %08x %08x %08x %08x " | ^~~~~~~~ In file included from include/linux/seq_file_net.h:5, from include/net/net_namespace.h:183, from include/linux/inet.h:42, from net/ipv4/route.c:75: include/linux/seq_file.h:120:6: note: declared here 120 | void seq_puts(struct seq_file *m, const char *s); | ^~~~~~~~ net/ipv4/route.c: In function 'ip_rt_send_redirect': net/ipv4/route.c:863:6: warning: variable 'log_martians' set but not used [-Wunused-but-set-variable] 863 | int log_martians; | ^~~~~~~~~~~~ vim +/seq_puts +3322 net/core/neighbour.c 3311 3312 static int neigh_stat_seq_show(struct seq_file *seq, void *v) 3313 { 3314 struct neigh_table *tbl = PDE_DATA(file_inode(seq->file)); 3315 struct neigh_statistics *st = v; 3316 3317 if (v == SEQ_START_TOKEN) { 3318 seq_puts(seq, "entries allocs destroys hash_grows lookups hits res_failed rcv_probes_mcast rcv_probes_ucast periodic_gc_runs forced_gc_runs unresolved_discards table_fulls\n"); 3319 return 0; 3320 } 3321 > 3322 seq_puts(seq, "%08x %08lx %08lx %08lx %08lx %08lx %08lx " 3323 "%08lx %08lx %08lx " 3324 "%08lx %08lx %08lx\n", 3325 atomic_read(&tbl->entries), 3326 3327 st->allocs, 3328 st->destroys, 3329 st->hash_grows, 3330 3331 st->lookups, 3332 st->hits, 3333 3334 st->res_failed, 3335 3336 st->rcv_probes_mcast, 3337 st->rcv_probes_ucast, 3338 3339 st->periodic_gc_runs, 3340 st->forced_gc_runs, 3341 st->unres_discards, 3342 st->table_fulls 3343 ); 3344 3345 return 0; 3346 } 3347 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org