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>
This commit is contained in:
Arnd Bergmann 2010-02-24 19:41:39 +01:00 committed by Paul E. McKenney
parent 67bdbffd69
commit 2c392b8c34
3 changed files with 4 additions and 4 deletions

View File

@ -75,7 +75,7 @@ struct cgroup_subsys_state {
unsigned long flags; unsigned long flags;
/* ID for this css, if possible */ /* ID for this css, if possible */
struct css_id *id; struct css_id __rcu *id;
}; };
/* bits in struct cgroup_subsys_state flags field */ /* bits in struct cgroup_subsys_state flags field */
@ -205,7 +205,7 @@ struct cgroup {
struct list_head children; /* my children */ struct list_head children; /* my children */
struct cgroup *parent; /* my parent */ struct cgroup *parent; /* my parent */
struct dentry *dentry; /* cgroup fs entry, RCU protected */ struct dentry __rcu *dentry; /* cgroup fs entry, RCU protected */
/* Private pointers for each registered subsystem */ /* Private pointers for each registered subsystem */
struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];

View File

@ -1418,7 +1418,7 @@ struct task_struct {
#endif #endif
#ifdef CONFIG_CGROUPS #ifdef CONFIG_CGROUPS
/* Control Group info protected by css_set_lock */ /* Control Group info protected by css_set_lock */
struct css_set *cgroups; struct css_set __rcu *cgroups;
/* cg_list protected by css_set_lock and tsk->alloc_lock */ /* cg_list protected by css_set_lock and tsk->alloc_lock */
struct list_head cg_list; struct list_head cg_list;
#endif #endif

View File

@ -138,7 +138,7 @@ struct css_id {
* is called after synchronize_rcu(). But for safe use, css_is_removed() * is called after synchronize_rcu(). But for safe use, css_is_removed()
* css_tryget() should be used for avoiding race. * css_tryget() should be used for avoiding race.
*/ */
struct cgroup_subsys_state *css; struct cgroup_subsys_state __rcu *css;
/* /*
* ID of this css. * ID of this css.
*/ */