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| author | David S. Miller <davem@davemloft.net> | 2010-02-28 19:23:06 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-28 19:23:06 -0800 |
| commit | 47871889c601d8199c51a4086f77eebd77c29b0b (patch) | |
| tree | 40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /include/linux/cgroup.h | |
| parent | c16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff) | |
| parent | 30ff056c42c665b9ea535d8515890857ae382540 (diff) | |
| download | kernel_samsung_aries-47871889c601d8199c51a4086f77eebd77c29b0b.zip kernel_samsung_aries-47871889c601d8199c51a4086f77eebd77c29b0b.tar.gz kernel_samsung_aries-47871889c601d8199c51a4086f77eebd77c29b0b.tar.bz2 | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'include/linux/cgroup.h')
| -rw-r--r-- | include/linux/cgroup.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 0008dee..c9bbcb2 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -28,6 +28,7 @@ struct css_id; extern int cgroup_init_early(void); extern int cgroup_init(void); extern void cgroup_lock(void); +extern int cgroup_lock_is_held(void); extern bool cgroup_lock_live_group(struct cgroup *cgrp); extern void cgroup_unlock(void); extern void cgroup_fork(struct task_struct *p); @@ -486,7 +487,9 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state( static inline struct cgroup_subsys_state *task_subsys_state( struct task_struct *task, int subsys_id) { - return rcu_dereference(task->cgroups->subsys[subsys_id]); + return rcu_dereference_check(task->cgroups->subsys[subsys_id], + rcu_read_lock_held() || + cgroup_lock_is_held()); } static inline struct cgroup* task_cgroup(struct task_struct *task, |