30 extern void *kmap_high(struct page *page, int nonblocking);
31 extern void kunmap_high(struct page *page);
60 void *kmap_atomic(struct page *page, enum km_type type);
63 #define kmap(page) __kmap(page, 0)  argument
64 #define kmap_nonblock(page) __kmap(page, 1)  argument
66 static inline void *__kmap(struct page *page, int nonblocking)  in __kmap()  argument
70 	if (page < highmem_start_page)  in __kmap()
71 		return page_address(page);  in __kmap()
72 	return kmap_high(page, nonblocking);  in __kmap()
75 static inline void kunmap(struct page *page)  in kunmap()  argument
79 	if (page < highmem_start_page)  in kunmap()
81 	kunmap_high(page);  in kunmap()