62 extern void *kmap_high(struct page *page);
63 extern void kunmap_high(struct page *page);
65 static inline void *kmap(struct page *page)  in kmap()  argument
68 	if (!PageHighMem(page))  in kmap()
69 		return page_address(page);  in kmap()
70 	return kmap_high(page);  in kmap()
73 static inline void kunmap(struct page *page)  in kunmap()  argument
76 	if (!PageHighMem(page))  in kunmap()
78 	kunmap_high(page);  in kunmap()
87 static inline void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)  in kmap_atomic_prot()  argument
94 	if (!PageHighMem(page))  in kmap_atomic_prot()
95 		return page_address(page);  in kmap_atomic_prot()
102 	__set_pte_at(&init_mm, vaddr, kmap_pte-idx, mk_pte(page, prot));  in kmap_atomic_prot()
108 static inline void *kmap_atomic(struct page *page, enum km_type type)  in kmap_atomic()  argument
110 	return kmap_atomic_prot(page, type, kmap_prot);  in kmap_atomic()
136 static inline struct page *kmap_atomic_to_page(void *ptr)  in kmap_atomic_to_page()