Hi Xiongchun, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.0-rc2 next-20190116] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Xiongchun-Duan/Memcgroup-force-empty-after-memcgroup-offline/20190122-014721 config: i386-randconfig-s2-01210338 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> kernel/sysctl.c:1257:22: error: 'sysctl_cgroup_default_retry' undeclared here (not in a function) .data = &sysctl_cgroup_default_retry, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/sysctl.c:1261:22: error: 'sysctl_cgroup_default_retry_min' undeclared here (not in a function) .extra1 = &sysctl_cgroup_default_retry_min, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> kernel/sysctl.c:1262:22: error: 'sysctl_cgroup_default_retry_max' undeclared here (not in a function) .extra2 = &sysctl_cgroup_default_retry_max, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/sysctl_cgroup_default_retry +1257 kernel/sysctl.c 977 978 #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) 979 { 980 .procname = "unknown_nmi_panic", 981 .data = &unknown_nmi_panic, 982 .maxlen = sizeof (int), 983 .mode = 0644, 984 .proc_handler = proc_dointvec, 985 }, 986 #endif 987 #if defined(CONFIG_X86) 988 { 989 .procname = "panic_on_unrecovered_nmi", 990 .data = &panic_on_unrecovered_nmi, 991 .maxlen = sizeof(int), 992 .mode = 0644, 993 .proc_handler = proc_dointvec, 994 }, 995 { 996 .procname = "panic_on_io_nmi", 997 .data = &panic_on_io_nmi, 998 .maxlen = sizeof(int), 999 .mode = 0644, 1000 .proc_handler = proc_dointvec, 1001 }, 1002 #ifdef CONFIG_DEBUG_STACKOVERFLOW 1003 { 1004 .procname = "panic_on_stackoverflow", 1005 .data = &sysctl_panic_on_stackoverflow, 1006 .maxlen = sizeof(int), 1007 .mode = 0644, 1008 .proc_handler = proc_dointvec, 1009 }, 1010 #endif 1011 { 1012 .procname = "bootloader_type", 1013 .data = &bootloader_type, 1014 .maxlen = sizeof (int), 1015 .mode = 0444, 1016 .proc_handler = proc_dointvec, 1017 }, 1018 { 1019 .procname = "bootloader_version", 1020 .data = &bootloader_version, 1021 .maxlen = sizeof (int), 1022 .mode = 0444, 1023 .proc_handler = proc_dointvec, 1024 }, 1025 { 1026 .procname = "io_delay_type", 1027 .data = &io_delay_type, 1028 .maxlen = sizeof(int), 1029 .mode = 0644, 1030 .proc_handler = proc_dointvec, 1031 }, 1032 #endif 1033 #if defined(CONFIG_MMU) 1034 { 1035 .procname = "randomize_va_space", 1036 .data = &randomize_va_space, 1037 .maxlen = sizeof(int), 1038 .mode = 0644, 1039 .proc_handler = proc_dointvec, 1040 }, 1041 #endif 1042 #if defined(CONFIG_S390) && defined(CONFIG_SMP) 1043 { 1044 .procname = "spin_retry", 1045 .data = &spin_retry, 1046 .maxlen = sizeof (int), 1047 .mode = 0644, 1048 .proc_handler = proc_dointvec, 1049 }, 1050 #endif 1051 #if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) 1052 { 1053 .procname = "acpi_video_flags", 1054 .data = &acpi_realmode_flags, 1055 .maxlen = sizeof (unsigned long), 1056 .mode = 0644, 1057 .proc_handler = proc_doulongvec_minmax, 1058 }, 1059 #endif 1060 #ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN 1061 { 1062 .procname = "ignore-unaligned-usertrap", 1063 .data = &no_unaligned_warning, 1064 .maxlen = sizeof (int), 1065 .mode = 0644, 1066 .proc_handler = proc_dointvec, 1067 }, 1068 #endif 1069 #ifdef CONFIG_IA64 1070 { 1071 .procname = "unaligned-dump-stack", 1072 .data = &unaligned_dump_stack, 1073 .maxlen = sizeof (int), 1074 .mode = 0644, 1075 .proc_handler = proc_dointvec, 1076 }, 1077 #endif 1078 #ifdef CONFIG_DETECT_HUNG_TASK 1079 { 1080 .procname = "hung_task_panic", 1081 .data = &sysctl_hung_task_panic, 1082 .maxlen = sizeof(int), 1083 .mode = 0644, 1084 .proc_handler = proc_dointvec_minmax, 1085 .extra1 = &zero, 1086 .extra2 = &one, 1087 }, 1088 { 1089 .procname = "hung_task_check_count", 1090 .data = &sysctl_hung_task_check_count, 1091 .maxlen = sizeof(int), 1092 .mode = 0644, 1093 .proc_handler = proc_dointvec_minmax, 1094 .extra1 = &zero, 1095 }, 1096 { 1097 .procname = "hung_task_timeout_secs", 1098 .data = &sysctl_hung_task_timeout_secs, 1099 .maxlen = sizeof(unsigned long), 1100 .mode = 0644, 1101 .proc_handler = proc_dohung_task_timeout_secs, 1102 .extra2 = &hung_task_timeout_max, 1103 }, 1104 { 1105 .procname = "hung_task_check_interval_secs", 1106 .data = &sysctl_hung_task_check_interval_secs, 1107 .maxlen = sizeof(unsigned long), 1108 .mode = 0644, 1109 .proc_handler = proc_dohung_task_timeout_secs, 1110 .extra2 = &hung_task_timeout_max, 1111 }, 1112 { 1113 .procname = "hung_task_warnings", 1114 .data = &sysctl_hung_task_warnings, 1115 .maxlen = sizeof(int), 1116 .mode = 0644, 1117 .proc_handler = proc_dointvec_minmax, 1118 .extra1 = &neg_one, 1119 }, 1120 #endif 1121 #ifdef CONFIG_RT_MUTEXES 1122 { 1123 .procname = "max_lock_depth", 1124 .data = &max_lock_depth, 1125 .maxlen = sizeof(int), 1126 .mode = 0644, 1127 .proc_handler = proc_dointvec, 1128 }, 1129 #endif 1130 { 1131 .procname = "poweroff_cmd", 1132 .data = &poweroff_cmd, 1133 .maxlen = POWEROFF_CMD_PATH_LEN, 1134 .mode = 0644, 1135 .proc_handler = proc_dostring, 1136 }, 1137 #ifdef CONFIG_KEYS 1138 { 1139 .procname = "keys", 1140 .mode = 0555, 1141 .child = key_sysctls, 1142 }, 1143 #endif 1144 #ifdef CONFIG_PERF_EVENTS 1145 /* 1146 * User-space scripts rely on the existence of this file 1147 * as a feature check for perf_events being enabled. 1148 * 1149 * So it's an ABI, do not remove! 1150 */ 1151 { 1152 .procname = "perf_event_paranoid", 1153 .data = &sysctl_perf_event_paranoid, 1154 .maxlen = sizeof(sysctl_perf_event_paranoid), 1155 .mode = 0644, 1156 .proc_handler = proc_dointvec, 1157 }, 1158 { 1159 .procname = "perf_event_mlock_kb", 1160 .data = &sysctl_perf_event_mlock, 1161 .maxlen = sizeof(sysctl_perf_event_mlock), 1162 .mode = 0644, 1163 .proc_handler = proc_dointvec, 1164 }, 1165 { 1166 .procname = "perf_event_max_sample_rate", 1167 .data = &sysctl_perf_event_sample_rate, 1168 .maxlen = sizeof(sysctl_perf_event_sample_rate), 1169 .mode = 0644, 1170 .proc_handler = perf_proc_update_handler, 1171 .extra1 = &one, 1172 }, 1173 { 1174 .procname = "perf_cpu_time_max_percent", 1175 .data = &sysctl_perf_cpu_time_max_percent, 1176 .maxlen = sizeof(sysctl_perf_cpu_time_max_percent), 1177 .mode = 0644, 1178 .proc_handler = perf_cpu_time_max_percent_handler, 1179 .extra1 = &zero, 1180 .extra2 = &one_hundred, 1181 }, 1182 { 1183 .procname = "perf_event_max_stack", 1184 .data = &sysctl_perf_event_max_stack, 1185 .maxlen = sizeof(sysctl_perf_event_max_stack), 1186 .mode = 0644, 1187 .proc_handler = perf_event_max_stack_handler, 1188 .extra1 = &zero, 1189 .extra2 = &six_hundred_forty_kb, 1190 }, 1191 { 1192 .procname = "perf_event_max_contexts_per_stack", 1193 .data = &sysctl_perf_event_max_contexts_per_stack, 1194 .maxlen = sizeof(sysctl_perf_event_max_contexts_per_stack), 1195 .mode = 0644, 1196 .proc_handler = perf_event_max_stack_handler, 1197 .extra1 = &zero, 1198 .extra2 = &one_thousand, 1199 }, 1200 #endif 1201 { 1202 .procname = "panic_on_warn", 1203 .data = &panic_on_warn, 1204 .maxlen = sizeof(int), 1205 .mode = 0644, 1206 .proc_handler = proc_dointvec_minmax, 1207 .extra1 = &zero, 1208 .extra2 = &one, 1209 }, 1210 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) 1211 { 1212 .procname = "timer_migration", 1213 .data = &sysctl_timer_migration, 1214 .maxlen = sizeof(unsigned int), 1215 .mode = 0644, 1216 .proc_handler = timer_migration_handler, 1217 .extra1 = &zero, 1218 .extra2 = &one, 1219 }, 1220 #endif 1221 #ifdef CONFIG_BPF_SYSCALL 1222 { 1223 .procname = "unprivileged_bpf_disabled", 1224 .data = &sysctl_unprivileged_bpf_disabled, 1225 .maxlen = sizeof(sysctl_unprivileged_bpf_disabled), 1226 .mode = 0644, 1227 /* only handle a transition from default "0" to "1" */ 1228 .proc_handler = proc_dointvec_minmax, 1229 .extra1 = &one, 1230 .extra2 = &one, 1231 }, 1232 #endif 1233 #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) 1234 { 1235 .procname = "panic_on_rcu_stall", 1236 .data = &sysctl_panic_on_rcu_stall, 1237 .maxlen = sizeof(sysctl_panic_on_rcu_stall), 1238 .mode = 0644, 1239 .proc_handler = proc_dointvec_minmax, 1240 .extra1 = &zero, 1241 .extra2 = &one, 1242 }, 1243 #endif 1244 #ifdef CONFIG_STACKLEAK_RUNTIME_DISABLE 1245 { 1246 .procname = "stack_erasing", 1247 .data = NULL, 1248 .maxlen = sizeof(int), 1249 .mode = 0600, 1250 .proc_handler = stack_erasing_sysctl, 1251 .extra1 = &zero, 1252 .extra2 = &one, 1253 }, 1254 #endif 1255 { 1256 .procname = "cgroup_default_retry", > 1257 .data = &sysctl_cgroup_default_retry, 1258 .maxlen = sizeof(unsigned int), 1259 .mode = 0644, 1260 .proc_handler = proc_dointvec_minmax, > 1261 .extra1 = &sysctl_cgroup_default_retry_min, > 1262 .extra2 = &sysctl_cgroup_default_retry_max, 1263 }, 1264 { } 1265 }; 1266 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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