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-rw-r--r--include/linux/cgroup.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index a0fc64167129..f4a9c9836906 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -82,6 +82,7 @@ struct cgroup_subsys_state {
/* bits in struct cgroup_subsys_state flags field */
enum {
CSS_ROOT = (1 << 0), /* this CSS is the root of the subsystem */
+ CSS_ONLINE = (1 << 1), /* between ->post_create() and ->pre_destroy() */
};
/* Caller must verify that the css is not for root cgroup */