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cgroup: rename cgroup->dummy_css to ->self and move it to the top

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cgroup->dummy_css is used as the placeholder css when performing css
oriended operations on the cgroup.  We're gonna shift more cgroup
management to this css.  Let's rename it to ->self and move it to the
top.

This is pure rename and field relocation.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Tejun Heo
2014-05-14 09:15:00 -04:00
parent a015edd26e
commit 9d800df12d
2 changed files with 13 additions and 13 deletions
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6
include/linux/cgroup.h
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@@ -143,6 +143,9 @@ enum {
};
struct cgroup {
/* self css with NULL ->ss, points back to this cgroup */
struct cgroup_subsys_state self;
unsigned long flags; /* "unsigned long" so bitops work */
/*
@@ -224,9 +227,6 @@ struct cgroup {
struct list_head pidlists;
struct mutex pidlist_mutex;
/* dummy css with NULL ->ss, points back to this cgroup */
struct cgroup_subsys_state dummy_css;
/* For css percpu_ref killing and RCU-protected deletion */
struct rcu_head rcu_head;
struct work_struct destroy_work;