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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 10:40:14 -0400
commitff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch)
tree85205005c611ab774702148558321c6fb92f1ccd /include/asm-x86/pgtable_32.h
parent30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff)
parentd37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff)
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'include/asm-x86/pgtable_32.h')
-rw-r--r--include/asm-x86/pgtable_32.h39
1 files changed, 2 insertions, 37 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 32ca03109a4c..5c3b26567a95 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -88,7 +88,7 @@ extern unsigned long pg0[];
88/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */ 88/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
89#define pmd_none(x) (!(unsigned long)pmd_val((x))) 89#define pmd_none(x) (!(unsigned long)pmd_val((x)))
90#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) 90#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT)
91#define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) 91#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
92 92
93#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) 93#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
94 94
@@ -113,26 +113,6 @@ extern unsigned long pg0[];
113 */ 113 */
114#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) 114#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
115 115
116/*
117 * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD]
118 *
119 * this macro returns the index of the entry in the pgd page which would
120 * control the given virtual address
121 */
122#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
123#define pgd_index_k(addr) pgd_index((addr))
124
125/*
126 * pgd_offset() returns a (pgd_t *)
127 * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
128 */
129#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address)))
130
131/*
132 * a shortcut which implies the use of the kernel's pgd, instead
133 * of a process's
134 */
135#define pgd_offset_k(address) pgd_offset(&init_mm, (address))
136 116
137static inline int pud_large(pud_t pud) { return 0; } 117static inline int pud_large(pud_t pud) { return 0; }
138 118
@@ -159,7 +139,7 @@ static inline int pud_large(pud_t pud) { return 0; }
159#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT)) 139#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
160 140
161#define pmd_page_vaddr(pmd) \ 141#define pmd_page_vaddr(pmd) \
162 ((unsigned long)__va(pmd_val((pmd)) & PTE_MASK)) 142 ((unsigned long)__va(pmd_val((pmd)) & PTE_PFN_MASK))
163 143
164#if defined(CONFIG_HIGHPTE) 144#if defined(CONFIG_HIGHPTE)
165#define pte_offset_map(dir, address) \ 145#define pte_offset_map(dir, address) \
@@ -191,21 +171,6 @@ do { \
191 */ 171 */
192#define update_mmu_cache(vma, address, pte) do { } while (0) 172#define update_mmu_cache(vma, address, pte) do { } while (0)
193 173
194extern void native_pagetable_setup_start(pgd_t *base);
195extern void native_pagetable_setup_done(pgd_t *base);
196
197#ifndef CONFIG_PARAVIRT
198static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
199{
200 native_pagetable_setup_start(base);
201}
202
203static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
204{
205 native_pagetable_setup_done(base);
206}
207#endif /* !CONFIG_PARAVIRT */
208
209#endif /* !__ASSEMBLY__ */ 174#endif /* !__ASSEMBLY__ */
210 175
211/* 176/*