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-rw-r--r--kernel/cpuset.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 010a0083c0ae..ea1966db34f2 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -475,13 +475,17 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial)
/*
* Cpusets with tasks - existing or newly being attached - can't
- * have empty cpus_allowed or mems_allowed.
+ * be changed to have empty cpus_allowed or mems_allowed.
*/
ret = -ENOSPC;
- if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress) &&
- (cpumask_empty(trial->cpus_allowed) &&
- nodes_empty(trial->mems_allowed)))
- goto out;
+ if ((cgroup_task_count(cur->css.cgroup) || cur->attach_in_progress)) {
+ if (!cpumask_empty(cur->cpus_allowed) &&
+ cpumask_empty(trial->cpus_allowed))
+ goto out;
+ if (!nodes_empty(cur->mems_allowed) &&
+ nodes_empty(trial->mems_allowed))
+ goto out;
+ }
ret = 0;
out: