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Diffstat (limited to 'include/asm-x86_64/pgtable.h')
-rw-r--r--include/asm-x86_64/pgtable.h39
1 files changed, 21 insertions, 18 deletions
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 7309fffeec9a..8fbf4dd72115 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -16,6 +16,7 @@ extern pud_t level3_physmem_pgt[512];
16extern pud_t level3_ident_pgt[512]; 16extern pud_t level3_ident_pgt[512];
17extern pmd_t level2_kernel_pgt[512]; 17extern pmd_t level2_kernel_pgt[512];
18extern pgd_t init_level4_pgt[]; 18extern pgd_t init_level4_pgt[];
19extern pgd_t boot_level4_pgt[];
19extern unsigned long __supported_pte_mask; 20extern unsigned long __supported_pte_mask;
20 21
21#define swapper_pg_dir init_level4_pgt 22#define swapper_pg_dir init_level4_pgt
@@ -121,6 +122,8 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
121 122
122#define pte_same(a, b) ((a).pte == (b).pte) 123#define pte_same(a, b) ((a).pte == (b).pte)
123 124
125#define pte_pgprot(a) (__pgprot((a).pte & ~PHYSICAL_PAGE_MASK))
126
124#define PMD_SIZE (1UL << PMD_SHIFT) 127#define PMD_SIZE (1UL << PMD_SHIFT)
125#define PMD_MASK (~(PMD_SIZE-1)) 128#define PMD_MASK (~(PMD_SIZE-1))
126#define PUD_SIZE (1UL << PUD_SHIFT) 129#define PUD_SIZE (1UL << PUD_SHIFT)
@@ -247,7 +250,7 @@ static inline unsigned long pud_bad(pud_t pud)
247#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this 250#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this
248 right? */ 251 right? */
249#define pte_page(x) pfn_to_page(pte_pfn(x)) 252#define pte_page(x) pfn_to_page(pte_pfn(x))
250#define pte_pfn(x) ((pte_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) 253#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)
251 254
252static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) 255static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
253{ 256{
@@ -264,25 +267,25 @@ static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
264 */ 267 */
265#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) 268#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
266static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 269static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
267extern inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 270static inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
268extern inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_USER; } 271static inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
269extern inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } 272static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
270extern inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } 273static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
271extern inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } 274static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
272static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } 275static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
273static inline int pte_huge(pte_t pte) { return (pte_val(pte) & __LARGE_PTE) == __LARGE_PTE; } 276static inline int pte_huge(pte_t pte) { return (pte_val(pte) & __LARGE_PTE) == __LARGE_PTE; }
274 277
275extern inline pte_t pte_rdprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; } 278static inline pte_t pte_rdprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
276extern inline pte_t pte_exprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; } 279static inline pte_t pte_exprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
277extern inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; } 280static inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
278extern inline pte_t pte_mkold(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; } 281static inline pte_t pte_mkold(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_ACCESSED)); return pte; }
279extern inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); return pte; } 282static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_RW)); return pte; }
280extern inline pte_t pte_mkread(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; } 283static inline pte_t pte_mkread(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; }
281extern inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; } 284static inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_USER)); return pte; }
282extern inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; } 285static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
283extern inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; } 286static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
284extern inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; } 287static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
285extern inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | __LARGE_PTE)); return pte; } 288static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | __LARGE_PTE)); return pte; }
286 289
287struct vm_area_struct; 290struct vm_area_struct;
288 291
@@ -354,7 +357,7 @@ static inline pud_t *__pud_offset_k(pud_t *pud, unsigned long address)
354#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) 357#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
355#define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE ) 358#define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE )
356#define pfn_pmd(nr,prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val(prot))) 359#define pfn_pmd(nr,prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val(prot)))
357#define pmd_pfn(x) ((pmd_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) 360#define pmd_pfn(x) ((pmd_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)
358 361
359#define pte_to_pgoff(pte) ((pte_val(pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) 362#define pte_to_pgoff(pte) ((pte_val(pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)
360#define pgoff_to_pte(off) ((pte_t) { ((off) << PAGE_SHIFT) | _PAGE_FILE }) 363#define pgoff_to_pte(off) ((pte_t) { ((off) << PAGE_SHIFT) | _PAGE_FILE })
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 20:02:14 -0500