aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-um/pgtable-3level.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-um/pgtable-3level.h')
-rw-r--r--include/asm-um/pgtable-3level.h45
1 files changed, 3 insertions, 42 deletions
diff --git a/include/asm-um/pgtable-3level.h b/include/asm-um/pgtable-3level.h
index 65e8bfc55fc4..786c25727289 100644
--- a/include/asm-um/pgtable-3level.h
+++ b/include/asm-um/pgtable-3level.h
@@ -57,35 +57,6 @@ static inline int pgd_newpage(pgd_t pgd)
57 57
58static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; } 58static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }
59 59
60
61#define pte_present(x) pte_get_bits(x, (_PAGE_PRESENT | _PAGE_PROTNONE))
62
63static inline pte_t pte_mknewprot(pte_t pte)
64{
65 pte_set_bits(pte, _PAGE_NEWPROT);
66 return(pte);
67}
68
69static inline pte_t pte_mknewpage(pte_t pte)
70{
71 pte_set_bits(pte, _PAGE_NEWPAGE);
72 return(pte);
73}
74
75static inline void set_pte(pte_t *pteptr, pte_t pteval)
76{
77 pte_copy(*pteptr, pteval);
78
79 /* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so
80 * fix_range knows to unmap it. _PAGE_NEWPROT is specific to
81 * mapped pages.
82 */
83
84 *pteptr = pte_mknewpage(*pteptr);
85 if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
86}
87#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
88
89#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval)) 60#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval))
90 61
91static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) 62static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
@@ -98,14 +69,11 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
98 return pmd; 69 return pmd;
99} 70}
100 71
101static inline void pmd_free(pmd_t *pmd){ 72extern inline void pud_clear (pud_t *pud)
102 free_page((unsigned long) pmd); 73{
74 set_pud(pud, __pud(0));
103} 75}
104 76
105#define __pmd_free_tlb(tlb,x) do { } while (0)
106
107static inline void pud_clear (pud_t * pud) { }
108
109#define pud_page(pud) \ 77#define pud_page(pud) \
110 ((struct page *) __va(pud_val(pud) & PAGE_MASK)) 78 ((struct page *) __va(pud_val(pud) & PAGE_MASK))
111 79
@@ -113,13 +81,6 @@ static inline void pud_clear (pud_t * pud) { }
113#define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \ 81#define pmd_offset(pud, address) ((pmd_t *) pud_page(*(pud)) + \
114 pmd_index(address)) 82 pmd_index(address))
115 83
116#define pte_page(x) pfn_to_page(pte_pfn(x))
117
118static inline int pte_none(pte_t pte)
119{
120 return pte_is_zero(pte);
121}
122
123static inline unsigned long pte_pfn(pte_t pte) 84static inline unsigned long pte_pfn(pte_t pte)
124{ 85{
125 return phys_to_pfn(pte_val(pte)); 86 return phys_to_pfn(pte_val(pte));