revert android-tegra-2.6.36-honeycomb-mr1-9001adc to v2.6.36

[firefly-linux-kernel-4.4.55.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index b1962c287d3f18ef69da609626dc6fa947f2ae70..c445f8cc408d777dd7a94aec3fa78c07e1d98b98 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -147,9 +147,6 @@ struct kmem_cache *vm_area_cachep;
 /* SLAB cache for mm_struct structures (tsk->mm) */
 static struct kmem_cache *mm_cachep;
 
-/* Notifier list called when a task struct is freed */
-static ATOMIC_NOTIFIER_HEAD(task_free_notifier);
-
 static void account_kernel_stack(struct thread_info *ti, int account)
 {
        struct zone *zone = page_zone(virt_to_page(ti));
@@ -180,18 +177,6 @@ static inline void put_signal_struct(struct signal_struct *sig)
                free_signal_struct(sig);
 }
 
-int task_free_register(struct notifier_block *n)
-{
-       return atomic_notifier_chain_register(&task_free_notifier, n);
-}
-EXPORT_SYMBOL(task_free_register);
-
-int task_free_unregister(struct notifier_block *n)
-{
-       return atomic_notifier_chain_unregister(&task_free_notifier, n);
-}
-EXPORT_SYMBOL(task_free_unregister);
-
 void __put_task_struct(struct task_struct *tsk)
 {
        WARN_ON(!tsk->exit_state);
@@ -202,7 +187,6 @@ void __put_task_struct(struct task_struct *tsk)
        delayacct_tsk_free(tsk);
        put_signal_struct(tsk->signal);
 
-       atomic_notifier_call_chain(&task_free_notifier, 0, tsk);
        if (!profile_handoff_task(tsk))
                free_task(tsk);
 }
@@ -288,7 +272,6 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 
        setup_thread_stack(tsk, orig);
        clear_user_return_notifier(tsk);
-       clear_tsk_need_resched(tsk);
        stackend = end_of_stack(tsk);
        *stackend = STACK_END_MAGIC;    /* for overflow detection */