mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm); 
static struct mm_struct * mm_init(struct mm_struct * mm){	atomic_set(&mm->mm_users, 1);	atomic_set(&mm->mm_count, 1);	init_rwsem(&mm->mmap_sem);	INIT_LIST_HEAD(&mm->mmlist);	mm->core_waiters = 0;	mm->nr_ptes = 0;	set_mm_counter(mm, file_rss, 0);	set_mm_counter(mm, anon_rss, 0);	spin_lock_init(&mm->page_table_lock);	rwlock_init(&mm->ioctx_list_lock);	mm->ioctx_list = NULL;	mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);	mm->free_area_cache = TASK_UNMAPPED_BASE;	mm->cached_hole_size = ~0UL;	if (likely(!mm_alloc_pgd(mm))) {		mm->def_flags = 0;		return mm;	}	free_mm(mm);	return NULL;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/20dcae32439384b6863c626bb3b2a09bed65b33e/fork.c/clean/kernel/fork.c