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[PATCH] remove get_task_struct_rcu()

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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>
This commit is contained in:
Paul E. McKenney 2006-01-08 01:01:39 -08:00 committed by Linus Torvalds
parent 2d89c92907
commit d4829cd5b4
1 changed files with 0 additions and 12 deletions
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12
include/linux/sched.h
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@ -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)