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[PATCH] resurrect __put_task_struct
This just got nuked in mainline. Bring it back because Eric's patches use it. Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -906,6 +906,7 @@ extern void free_task(struct task_struct *tsk);
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#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
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extern void __put_task_struct_cb(struct rcu_head *rhp);
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extern void __put_task_struct(struct task_struct *t);
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static inline void put_task_struct(struct task_struct *t)
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{
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@ -108,10 +108,8 @@ void free_task(struct task_struct *tsk)
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}
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EXPORT_SYMBOL(free_task);
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void __put_task_struct_cb(struct rcu_head *rhp)
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void __put_task_struct(struct task_struct *tsk)
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{
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struct task_struct *tsk = container_of(rhp, struct task_struct, rcu);
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WARN_ON(!(tsk->exit_state & (EXIT_DEAD | EXIT_ZOMBIE)));
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WARN_ON(atomic_read(&tsk->usage));
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WARN_ON(tsk == current);
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@ -126,6 +124,12 @@ void __put_task_struct_cb(struct rcu_head *rhp)
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free_task(tsk);
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}
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void __put_task_struct_cb(struct rcu_head *rhp)
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{
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struct task_struct *tsk = container_of(rhp, struct task_struct, rcu);
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__put_task_struct(tsk);
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}
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void __init fork_init(unsigned long mempages)
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{
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#ifndef __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
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