need_to_free
} need_to_free_list, need_to_free[NEED_TO_FREE_SIZE];
struct need_to_free *ntf;
ntf = kmem_info.need_to_free;
struct need_to_free *ntf;
*ntf = *(struct need_to_free *)ntf->addr;
ntf = kmem_info.need_to_free;