aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@us.ibm.com>2006-01-08 04:01:39 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 23:13:40 -0500
commitd4829cd5b4bd1ea58ba1bebad44d562f4027c290 (patch)
treec60f85fdb0233d7a8574b203aeac96d7570c583f /include
parent2d89c929078588aa9b9c674ef03ee9aa816b59b8 (diff)
[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')
-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 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);
878extern void __put_task_struct(struct task_struct *tsk); 878extern void __put_task_struct(struct task_struct *tsk);
879#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0) 879#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
880 880
881static inline int get_task_struct_rcu(struct task_struct *t)
882{
883 int oldusage;
884
885 do {
886 oldusage = atomic_read(&t->usage);
887 if (oldusage == 0)
888 return 0;
889 } while (cmpxchg(&t->usage.counter, oldusage, oldusage+1) != oldusage);
890 return 1;
891}
892
893extern void __put_task_struct_cb(struct rcu_head *rhp); 881extern void __put_task_struct_cb(struct rcu_head *rhp);
894 882
895static inline void put_task_struct(struct task_struct *t) 883static inline void put_task_struct(struct task_struct *t)