10 void *__kmap_local_page_prot(struct page *page, pgprot_t prot);
35 void *kmap_high(struct page *page);
36 void kunmap_high(struct page *page);
38 struct page *__kmap_to_page(void *addr);
40 static inline void *kmap(struct page *page)  in kmap()  argument
45 	if (!PageHighMem(page))  in kmap()
46 		addr = page_address(page);  in kmap()
48 		addr = kmap_high(page);  in kmap()
53 static inline void kunmap(struct page *page)  in kunmap()  argument
56 	if (!PageHighMem(page))  in kunmap()
58 	kunmap_high(page);  in kunmap()
61 static inline struct page *kmap_to_page(void *addr)  in kmap_to_page()
71 static inline void *kmap_local_page(struct page *page)  in kmap_local_page()  argument
73 	return __kmap_local_page_prot(page, kmap_prot);  in kmap_local_page()
78 	struct page *page = folio_page(folio, offset / PAGE_SIZE);  in kmap_local_folio()  local
79 	return __kmap_local_page_prot(page, kmap_prot) + offset % PAGE_SIZE;  in kmap_local_folio()
82 static inline void *kmap_local_page_prot(struct page *page, pgprot_t prot)  in kmap_local_page_prot()  argument
84 	return __kmap_local_page_prot(page, prot);  in kmap_local_page_prot()
97 static inline void *kmap_atomic_prot(struct page *page, pgprot_t prot)  in kmap_atomic_prot()  argument
105 	return __kmap_local_page_prot(page, prot);  in kmap_atomic_prot()
108 static inline void *kmap_atomic(struct page *page)  in kmap_atomic()  argument
110 	return kmap_atomic_prot(page, kmap_prot);  in kmap_atomic()
157 static inline struct page *kmap_to_page(void *addr)  in kmap_to_page()
162 static inline void *kmap(struct page *page)  in kmap()  argument
165 	return page_address(page);  in kmap()
168 static inline void kunmap_high(struct page *page) { }  in kunmap_high()  argument
171 static inline void kunmap(struct page *page)  in kunmap()  argument
174 	kunmap_flush_on_unmap(page_address(page));  in kunmap()
178 static inline void *kmap_local_page(struct page *page)  in kmap_local_page()  argument
180 	return page_address(page);  in kmap_local_page()
185 	return page_address(&folio->page) + offset;  in kmap_local_folio()
188 static inline void *kmap_local_page_prot(struct page *page, pgprot_t prot)  in kmap_local_page_prot()  argument
190 	return kmap_local_page(page);  in kmap_local_page_prot()
205 static inline void *kmap_atomic(struct page *page)  in kmap_atomic()  argument
212 	return page_address(page);  in kmap_atomic()
215 static inline void *kmap_atomic_prot(struct page *page, pgprot_t prot)  in kmap_atomic_prot()  argument
217 	return kmap_atomic(page);  in kmap_atomic_prot()
258  * @__addr can be any address within the mapped page, so there is no need
261  * page passed to it. The compiler will warn you if you pass the page.
265 	BUILD_BUG_ON(__same_type((__addr), struct page *));	\
270  * kunmap_local - Unmap a page mapped via kmap_local_page().
271  * @__addr: An address within the page mapped
273  * @__addr can be any address within the mapped page.  Commonly it is the
281 	BUILD_BUG_ON(__same_type((__addr), struct page *));	\