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SubjectRe: [PATCH] sched/numa: do not balance tasks onto isolated cpus
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: x86_64-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=x86_64

All errors (new ones prefixed by >>):

kernel//sched/fair.c: In function 'task_numa_find_cpu':
>> kernel//sched/fair.c:1726:46: error: 'cpu_isolated_map' undeclared (first use in this function); did you mean 'cpu_core_map'?
|| cpumask_test_cpu(cpu, cpu_isolated_map))
^~~~~~~~~~~~~~~~
cpu_core_map
kernel//sched/fair.c:1726:46: note: each undeclared identifier is reported only once for each function it appears in

vim +1726 kernel//sched/fair.c

1717
1718 static void task_numa_find_cpu(struct task_numa_env *env,
1719 long taskimp, long groupimp)
1720 {
1721 int cpu;
1722
1723 for_each_cpu(cpu, cpumask_of_node(env->dst_nid)) {
1724 /* Skip this CPU if the source task cannot migrate */
1725 if ((!cpumask_test_cpu(cpu, &env->p->cpus_allowed))
> 1726 || cpumask_test_cpu(cpu, cpu_isolated_map))
1727 continue;
1728
1729 env->dst_cpu = cpu;
1730 task_numa_compare(env, taskimp, groupimp);
1731 }
1732 }
1733

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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