Hi Chen, Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/sched/core] [also build test ERROR on v4.18-rc6 next-20180723] [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/Chen-Lin/sched-numa-do-not-balance-tasks-onto-isolated-cpus/20180724-031803 config: i386-randconfig-x008-201829 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/sched/core.c: In function 'migrate_swap': >> kernel/sched/core.c:1283:46: error: 'cpu_isolated_map' undeclared (first use >> in this function); did you mean 'cpu_core_map'? || cpumask_test_cpu(arg.dst_cpu, cpu_isolated_map)) ^~~~~~~~~~~~~~~~ cpu_core_map kernel/sched/core.c:1283:46: note: each undeclared identifier is reported only once for each function it appears in vim +1283 kernel/sched/core.c 1256 1257 /* 1258 * Cross migrate two tasks 1259 */ 1260 int migrate_swap(struct task_struct *cur, struct task_struct *p) 1261 { 1262 struct migration_swap_arg arg; 1263 int ret = -EINVAL; 1264 1265 arg = (struct migration_swap_arg){ 1266 .src_task = cur, 1267 .src_cpu = task_cpu(cur), 1268 .dst_task = p, 1269 .dst_cpu = task_cpu(p), 1270 }; 1271 1272 if (arg.src_cpu == arg.dst_cpu) 1273 goto out; 1274 1275 /* 1276 * These three tests are all lockless; this is OK since all of them 1277 * will be re-checked with proper locks held further down the line. 1278 */ 1279 if (!cpu_active(arg.src_cpu) || !cpu_active(arg.dst_cpu)) 1280 goto out; 1281 1282 if ((!cpumask_test_cpu(arg.dst_cpu, &arg.src_task->cpus_allowed)) > 1283 || cpumask_test_cpu(arg.dst_cpu, cpu_isolated_map)) 1284 goto out; 1285 1286 if ((!cpumask_test_cpu(arg.src_cpu, &arg.dst_task->cpus_allowed)) 1287 || cpumask_test_cpu(arg.src_cpu, cpu_isolated_map)) 1288 goto out; 1289 1290 trace_sched_swap_numa(cur, arg.src_cpu, p, arg.dst_cpu); 1291 ret = stop_two_cpus(arg.dst_cpu, arg.src_cpu, migrate_swap_stop, &arg); 1292 1293 out: 1294 return ret; 1295 } 1296 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
