diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index a6af77e9b4c..20bd7074910 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -878,18 +878,6 @@ extern void free_task(struct task_struct *tsk); extern void __put_task_struct(struct task_struct *tsk); #define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0) -static inline int get_task_struct_rcu(struct task_struct *t) -{ - int oldusage; - - do { - oldusage = atomic_read(&t->usage); - if (oldusage == 0) - return 0; - } while (cmpxchg(&t->usage.counter, oldusage, oldusage+1) != oldusage); - return 1; -} - extern void __put_task_struct_cb(struct rcu_head *rhp); static inline void put_task_struct(struct task_struct *t) |