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-rw-r--r--include/linux/cgroup.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index d0ad3794b947..53e81a61be57 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -277,6 +277,10 @@ enum {
*
* - Remount is disallowed.
*
+ * - cpuset: tasks will be kept in empty cpusets when hotplug happens
+ * and take masks of ancestors with non-empty cpus/mems, instead of
+ * being moved to an ancestor.
+ *
* - memcg: use_hierarchy is on by default and the cgroup file for
* the flag is not created.
*