321 	struct mm_struct *mm = vma->vm_mm;  in aio_ring_mremap()  local
325 	spin_lock(&mm->ioctx_lock);  in aio_ring_mremap()
327 	table = rcu_dereference(mm->ioctx_table);  in aio_ring_mremap()
342 	spin_unlock(&mm->ioctx_lock);  in aio_ring_mremap()
447 	struct mm_struct *mm = current->mm;  in aio_setup_ring()  local
506 	down_write(&mm->mmap_sem);  in aio_setup_ring()
510 	up_write(&mm->mmap_sem);  in aio_setup_ring()
642 static int ioctx_add_table(struct kioctx *ctx, struct mm_struct *mm)  in ioctx_add_table()  argument
648 	spin_lock(&mm->ioctx_lock);  in ioctx_add_table()
649 	table = rcu_dereference_raw(mm->ioctx_table);  in ioctx_add_table()
657 					spin_unlock(&mm->ioctx_lock);  in ioctx_add_table()
670 		spin_unlock(&mm->ioctx_lock);  in ioctx_add_table()
679 		spin_lock(&mm->ioctx_lock);  in ioctx_add_table()
680 		old = rcu_dereference_raw(mm->ioctx_table);  in ioctx_add_table()
683 			rcu_assign_pointer(mm->ioctx_table, table);  in ioctx_add_table()
688 			rcu_assign_pointer(mm->ioctx_table, table);  in ioctx_add_table()
712 	struct mm_struct *mm = current->mm;  in ioctx_alloc()  local
786 	err = ioctx_add_table(ctx, mm);  in ioctx_alloc()
794 		 ctx, ctx->user_id, mm, ctx->nr_events);  in ioctx_alloc()
819 static int kill_ioctx(struct mm_struct *mm, struct kioctx *ctx,  in kill_ioctx()  argument
824 	spin_lock(&mm->ioctx_lock);  in kill_ioctx()
826 		spin_unlock(&mm->ioctx_lock);  in kill_ioctx()
830 	table = rcu_dereference_raw(mm->ioctx_table);  in kill_ioctx()
833 	spin_unlock(&mm->ioctx_lock);  in kill_ioctx()
863 void exit_aio(struct mm_struct *mm)  in exit_aio()  argument
865 	struct kioctx_table *table = rcu_dereference_raw(mm->ioctx_table);  in exit_aio()
893 		kill_ioctx(mm, ctx, &wait);  in exit_aio()
901 	RCU_INIT_POINTER(mm->ioctx_table, NULL);  in exit_aio()
1053 	struct mm_struct *mm = current->mm;  in lookup_ioctx()  local
1062 	table = rcu_dereference(mm->ioctx_table);  in lookup_ioctx()
1360 			kill_ioctx(current->mm, ioctx, NULL);  in SYSCALL_DEFINE2()
1388 		ret = kill_ioctx(current->mm, ioctx, &wait);  in SYSCALL_DEFINE1()