이 구문은 어떤 뜻인가요?

(*(void (*)(struct page *))page->lru.prev)(page);

static inline void put_page(struct page *page)
{
	if (PageCompound(page)) {
		page = (struct page *)page->lru.next;
		if (put_page_testzero(page)) {
			if (page->lru.prev) {	/* destructor? */
				(*(void (*)(struct page *))page->lru.prev)(page);
			} else {
				__page_cache_release(page);
			}
		}
		return;
	}
	if (!PageReserved(page) && put_page_testzero(page))
		__page_cache_release(page);
}