cgroup: trivial cleanup for cgroup_init/load_subsys()
Consistently use @css and @dummytop in these two functions instead of referring to them indirectly. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
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@ -4332,7 +4332,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss)
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* pointer to this state - since the subsystem is
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* pointer to this state - since the subsystem is
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* newly registered, all tasks and hence the
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* newly registered, all tasks and hence the
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* init_css_set is in the subsystem's top cgroup. */
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* init_css_set is in the subsystem's top cgroup. */
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init_css_set.subsys[ss->subsys_id] = dummytop->subsys[ss->subsys_id];
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init_css_set.subsys[ss->subsys_id] = css;
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need_forkexit_callback |= ss->fork || ss->exit;
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need_forkexit_callback |= ss->fork || ss->exit;
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@ -4344,7 +4344,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss)
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ss->active = 1;
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ss->active = 1;
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if (ss->post_create)
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if (ss->post_create)
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ss->post_create(&ss->root->top_cgroup);
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ss->post_create(dummytop);
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/* this function shouldn't be used with modular subsystems, since they
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/* this function shouldn't be used with modular subsystems, since they
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* need to register a subsys_id, among other things */
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* need to register a subsys_id, among other things */
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@ -4456,7 +4456,7 @@ int __init_or_module cgroup_load_subsys(struct cgroup_subsys *ss)
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ss->active = 1;
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ss->active = 1;
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if (ss->post_create)
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if (ss->post_create)
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ss->post_create(&ss->root->top_cgroup);
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ss->post_create(dummytop);
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/* success! */
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/* success! */
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mutex_unlock(&cgroup_mutex);
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mutex_unlock(&cgroup_mutex);
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