cgroups: __rcu annotations
Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Paul Menage <menage@google.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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@ -75,7 +75,7 @@ struct cgroup_subsys_state {
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unsigned long flags;
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/* ID for this css, if possible */
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struct css_id *id;
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struct css_id __rcu *id;
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};
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/* bits in struct cgroup_subsys_state flags field */
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@ -205,7 +205,7 @@ struct cgroup {
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struct list_head children; /* my children */
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struct cgroup *parent; /* my parent */
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struct dentry *dentry; /* cgroup fs entry, RCU protected */
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struct dentry __rcu *dentry; /* cgroup fs entry, RCU protected */
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/* Private pointers for each registered subsystem */
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struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
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@ -1418,7 +1418,7 @@ struct task_struct {
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#endif
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#ifdef CONFIG_CGROUPS
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/* Control Group info protected by css_set_lock */
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struct css_set *cgroups;
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struct css_set __rcu *cgroups;
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/* cg_list protected by css_set_lock and tsk->alloc_lock */
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struct list_head cg_list;
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#endif
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@ -138,7 +138,7 @@ struct css_id {
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* is called after synchronize_rcu(). But for safe use, css_is_removed()
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* css_tryget() should be used for avoiding race.
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*/
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struct cgroup_subsys_state *css;
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struct cgroup_subsys_state __rcu *css;
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/*
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* ID of this css.
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*/
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