extern void __free_pages(struct page *page, unsigned int order);
extern void free_pages(unsigned long addr, unsigned int order);
-extern void free_hot_page(struct page *page);
+extern void free_hot_cold_page(struct page *page, int cold);
#define __free_page(page) __free_pages((page), 0)
#define free_page(addr) free_pages((addr),0)