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-rw-r--r--include/linux/cgroup-defs.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 04191d99228c..6b93a64115fe 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -375,12 +375,6 @@ struct css_rstat_cpu {
* Child cgroups with stat updates on this cpu since the last read
* are linked on the parent's ->updated_children through
* ->updated_next. updated_children is terminated by its container css.
- *
- * In addition to being more compact, singly-linked list pointing to
- * the css makes it unnecessary for each per-cpu struct to point back
- * to the associated css.
- *
- * Protected by per-cpu css->ss->rstat_ss_cpu_lock.
*/
struct cgroup_subsys_state *updated_children;
struct cgroup_subsys_state *updated_next; /* NULL if not on the list */
@@ -824,7 +818,6 @@ struct cgroup_subsys {
unsigned int depends_on;
spinlock_t rstat_ss_lock;
- raw_spinlock_t __percpu *rstat_ss_cpu_lock;
struct llist_head __percpu *lhead; /* lockless update list head */
};