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-rw-r--r--include/linux/sched.h12
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)