diff options
Diffstat (limited to 'include/asm-um/pgtable.h')
-rw-r--r-- | include/asm-um/pgtable.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h index b48e0966ecd7..ed06170e0edd 100644 --- a/include/asm-um/pgtable.h +++ b/include/asm-um/pgtable.h | |||
@@ -326,14 +326,22 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) | |||
326 | } | 326 | } |
327 | #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) | 327 | #define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) |
328 | 328 | ||
329 | extern phys_t page_to_phys(struct page *page); | ||
330 | |||
331 | /* | 329 | /* |
332 | * Conversion functions: convert a page and protection to a page entry, | 330 | * Conversion functions: convert a page and protection to a page entry, |
333 | * and a page entry and page directory to the page they refer to. | 331 | * and a page entry and page directory to the page they refer to. |
334 | */ | 332 | */ |
335 | 333 | ||
336 | extern pte_t mk_pte(struct page *page, pgprot_t pgprot); | 334 | #define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys)) |
335 | #define __virt_to_page(virt) phys_to_page(__pa(virt)) | ||
336 | #define page_to_phys(page) pfn_to_phys(page_to_pfn(page)) | ||
337 | |||
338 | #define mk_pte(page, pgprot) \ | ||
339 | ({ pte_t pte; \ | ||
340 | \ | ||
341 | pte_set_val(pte, page_to_phys(page), (pgprot)); \ | ||
342 | if (pte_present(pte)) \ | ||
343 | pte_mknewprot(pte_mknewpage(pte)); \ | ||
344 | pte;}) | ||
337 | 345 | ||
338 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | 346 | static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) |
339 | { | 347 | { |
@@ -410,8 +418,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) | |||
410 | #endif | 418 | #endif |
411 | #endif | 419 | #endif |
412 | 420 | ||
413 | extern struct page *phys_to_page(const unsigned long phys); | ||
414 | extern struct page *__virt_to_page(const unsigned long virt); | ||
415 | #define virt_to_page(addr) __virt_to_page((const unsigned long) addr) | 421 | #define virt_to_page(addr) __virt_to_page((const unsigned long) addr) |
416 | 422 | ||
417 | /* | 423 | /* |