diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 37518436cfe7..5a97ea95b564 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -496,6 +496,13 @@ struct cgroup { struct cgroup_rstat_cpu __percpu *rstat_cpu; struct list_head rstat_css_list; + /* + * Add padding to separate the read mostly rstat_cpu and + * rstat_css_list into a different cacheline from the following + * rstat_flush_next and *bstat fields which can have frequent updates. + */ + CACHELINE_PADDING(_pad_); + /* * A singly-linked list of cgroup structures to be rstat flushed. * This is a scratch field to be used exclusively by