Have a look at http://lkml.kernel.org/r/Ywh3C4dKB9B93jIy@xxxxxxxxxxxxxx Thanks! On Fri 26-08-22 17:44:15, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 8d0c42c9e80791e8baba2932d2cbd2dcead50d47 > commit: 9ea9abc5cd7ed674c548915f8340c1cf706b396c [3600/3682] mm: reduce noise in show_mem for lowmem allocations > config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220826/202208261715.DsXiAhZu-lkp@xxxxxxxxx/config) > compiler: powerpc-linux-gcc (GCC) 12.1.0 > 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=9ea9abc5cd7ed674c548915f8340c1cf706b396c > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout 9ea9abc5cd7ed674c548915f8340c1cf706b396c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > Note: the linux-next/master HEAD 8d0c42c9e80791e8baba2932d2cbd2dcead50d47 builds fine. > It may have been fixed somewhere. > > All errors (new ones prefixed by >>): > > arch/powerpc/xmon/xmon.c: In function 'cmds': > >> arch/powerpc/xmon/xmon.c:1089:33: error: too few arguments to function 'show_mem' > 1089 | show_mem(0, NULL); > | ^~~~~~~~ > In file included from arch/powerpc/xmon/xmon.c:14: > include/linux/mm.h:2585:13: note: declared here > 2585 | extern void show_mem(unsigned int flags, nodemask_t *nodemask, gfp_t gfp_mask); > | ^~~~~~~~ > > > vim +/show_mem +1089 arch/powerpc/xmon/xmon.c > > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1043 > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1044 static int > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1045 cmds(struct pt_regs *excp) > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1046 { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1047 int cmd = 0; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1048 > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1049 last_cmd = NULL; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1050 xmon_regs = excp; > 26c8af5f01dfb9 arch/powerpc/xmon/xmon.c Olaf Hering 2006-09-08 1051 > 26c8af5f01dfb9 arch/powerpc/xmon/xmon.c Olaf Hering 2006-09-08 1052 xmon_show_stack(excp->gpr[1], excp->link, excp->nip); > 26c8af5f01dfb9 arch/powerpc/xmon/xmon.c Olaf Hering 2006-09-08 1053 > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1054 for(;;) { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1055 #ifdef CONFIG_SMP > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1056 printf("%x:", smp_processor_id()); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1057 #endif /* CONFIG_SMP */ > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1058 printf("mon> "); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1059 flush_input(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1060 termch = 0; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1061 cmd = skipbl(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1062 if( cmd == '\n' ) { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1063 if (last_cmd == NULL) > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1064 continue; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1065 take_input(last_cmd); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1066 last_cmd = NULL; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1067 cmd = inchar(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1068 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1069 switch (cmd) { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1070 case 'm': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1071 cmd = inchar(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1072 switch (cmd) { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1073 case 'm': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1074 case 's': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1075 case 'd': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1076 memops(cmd); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1077 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1078 case 'l': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1079 memlocate(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1080 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1081 case 'z': > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1082 if (xmon_is_ro) { > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1083 printf(xmon_ro_msg); > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1084 break; > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1085 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1086 memzcan(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1087 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1088 case 'i': > 9af744d743170b arch/powerpc/xmon/xmon.c Michal Hocko 2017-02-22 @1089 show_mem(0, NULL); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1090 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1091 default: > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1092 termch = cmd; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1093 memex(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1094 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1095 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1096 case 'd': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1097 dump(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1098 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1099 case 'l': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1100 symbol_lookup(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1101 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1102 case 'r': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1103 prregs(excp); /* print regs */ > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1104 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1105 case 'e': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1106 excprint(excp); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1107 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1108 case 'S': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1109 super_regs(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1110 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1111 case 't': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1112 backtrace(excp); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1113 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1114 case 'f': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1115 cacheflush(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1116 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1117 case 's': > ff8a8f25976aa5 arch/powerpc/xmon/xmon.c Michael Ellerman 2006-10-24 1118 if (do_spu_cmd() == 0) > ff8a8f25976aa5 arch/powerpc/xmon/xmon.c Michael Ellerman 2006-10-24 1119 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1120 if (do_step(excp)) > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1121 return cmd; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1122 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1123 case 'x': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1124 case 'X': > ed49f7fd6438dc arch/powerpc/xmon/xmon.c Breno Leitao 2017-08-02 1125 if (tracing_enabled) > ed49f7fd6438dc arch/powerpc/xmon/xmon.c Breno Leitao 2017-08-02 1126 tracing_on(); > bb6b9b28d6847b arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2005-11-30 1127 return cmd; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1128 case EOF: > bb6b9b28d6847b arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2005-11-30 1129 printf(" <no input ...>\n"); > bb6b9b28d6847b arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2005-11-30 1130 mdelay(2000); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1131 return cmd; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1132 case '?': > 4d404edce30f91 arch/powerpc/xmon/xmon.c Ishizaki Kou 2007-07-18 1133 xmon_puts(help_string); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1134 break; > 958b7c80507a6e arch/powerpc/xmon/xmon.c Sam bobroff 2015-10-08 1135 case '#': > 958b7c80507a6e arch/powerpc/xmon/xmon.c Sam bobroff 2015-10-08 1136 set_lpp_cmd(); > 958b7c80507a6e arch/powerpc/xmon/xmon.c Sam bobroff 2015-10-08 1137 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1138 case 'b': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1139 bpt_cmds(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1140 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1141 case 'C': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1142 csum(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1143 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1144 case 'c': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1145 if (cpu_cmd()) > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1146 return 0; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1147 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1148 case 'z': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1149 bootcmds(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1150 break; > f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28 1151 case 'p': > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1152 if (xmon_is_ro) { > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1153 printf(xmon_ro_msg); > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1154 break; > 0acb5f64560a05 arch/powerpc/xmon/xmon.c Christopher M. Riedl 2019-04-15 1155 } > f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28 1156 proccall(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1157 break; > 6dfb54049f9a99 arch/powerpc/xmon/xmon.c Douglas Miller 2015-11-23 1158 case 'P': > 6dfb54049f9a99 arch/powerpc/xmon/xmon.c Douglas Miller 2015-11-23 1159 show_tasks(); > 6dfb54049f9a99 arch/powerpc/xmon/xmon.c Douglas Miller 2015-11-23 1160 break; > 387e220a2e5e63 arch/powerpc/xmon/xmon.c Nicholas Piggin 2021-12-02 1161 #if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_64S_HASH_MMU) > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1162 case 'u': > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1163 dump_segments(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1164 break; > d8ee6f34fdd28a arch/powerpc/xmon/xmon.c Michael Ellerman 2014-11-12 1165 #elif defined(CONFIG_44x) > 5a8a1a28bb35a6 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2007-11-16 1166 case 'u': > 5a8a1a28bb35a6 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2007-11-16 1167 dump_tlb_44x(); > 5a8a1a28bb35a6 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2007-11-16 1168 break; > 79873e8df64cc1 arch/powerpc/xmon/xmon.c Jimi Xenidis 2011-09-29 1169 #elif defined(CONFIG_PPC_BOOK3E) > 03247157f73912 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2010-07-09 1170 case 'u': > 03247157f73912 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2010-07-09 1171 dump_tlb_book3e(); > 03247157f73912 arch/powerpc/xmon/xmon.c Benjamin Herrenschmidt 2010-07-09 1172 break; > f78541dcec327b arch/powerpc/xmon/xmon.c Paul Mackerras 2005-10-28 1173 #endif > 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1174 case 'U': > 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1175 show_uptime(); > 59d3391e8cf274 arch/powerpc/xmon/xmon.c Guilherme G. Piccoli 2017-09-18 1176 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1177 default: > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1178 printf("Unrecognized command: "); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1179 do { > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1180 if (' ' < cmd && cmd <= '~') > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1181 putchar(cmd); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1182 else > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1183 printf("\\x%x", cmd); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1184 cmd = inchar(); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1185 } while (cmd != '\n'); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1186 printf(" (type ? for help)\n"); > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1187 break; > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1188 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1189 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1190 } > ^1da177e4c3f41 arch/ppc64/xmon/xmon.c Linus Torvalds 2005-04-16 1191 > > :::::: The code at line 1089 was first introduced by commit > :::::: 9af744d743170b5f5ef70031dea8d772d166ab28 lib/show_mem.c: teach show_mem to work with the given nodemask > > :::::: TO: Michal Hocko <mhocko@xxxxxxxx> > :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp -- Michal Hocko SUSE Labs