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| author | Paul E. McKenney <paulmck@us.ibm.com> | 2006-01-08 01:01:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:13:40 -0800 |
| commit | d4829cd5b4bd1ea58ba1bebad44d562f4027c290 (patch) | |
| tree | c60f85fdb0233d7a8574b203aeac96d7570c583f /include/linux/sched.h | |
| parent | 2d89c929078588aa9b9c674ef03ee9aa816b59b8 (diff) | |
| download | linux-d4829cd5b4bd1ea58ba1bebad44d562f4027c290.tar.gz linux-d4829cd5b4bd1ea58ba1bebad44d562f4027c290.tar.bz2 linux-d4829cd5b4bd1ea58ba1bebad44d562f4027c290.zip | |
[PATCH] remove get_task_struct_rcu()
The latest set of signal-RCU patches does not use get_task_struct_rcu().
Attached is a patch that removes it.
Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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 a6af77e9b4cf..20bd70749104 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) |