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Diffstat (limited to 'include/asm-x86/pgtable_32.h')
-rw-r--r--include/asm-x86/pgtable_32.h51
1 files changed, 9 insertions, 42 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 32ca03109a4..8de702dc7d6 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_H
-#define _I386_PGTABLE_H
+#ifndef ASM_X86__PGTABLE_32_H
+#define ASM_X86__PGTABLE_32_H
/*
@@ -31,6 +31,7 @@ static inline void pgtable_cache_init(void) { }
static inline void check_pgt_cache(void) { }
void paging_init(void);
+extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
/*
* The Linux x86 paging architecture is 'compile-time dual-mode', it
@@ -56,8 +57,7 @@ void paging_init(void);
* area for the same reason. ;)
*/
#define VMALLOC_OFFSET (8 * 1024 * 1024)
-#define VMALLOC_START (((unsigned long)high_memory + 2 * VMALLOC_OFFSET - 1) \
- & ~(VMALLOC_OFFSET - 1))
+#define VMALLOC_START ((unsigned long)high_memory + VMALLOC_OFFSET)
#ifdef CONFIG_X86_PAE
#define LAST_PKMAP 512
#else
@@ -73,6 +73,8 @@ void paging_init(void);
# define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE)
#endif
+#define MAXMEM (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE)
+
/*
* Define this if things work differently on an i386 and an i486:
* it will (on an i486) warn about kernel memory accesses that are
@@ -88,7 +90,7 @@ extern unsigned long pg0[];
/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
#define pmd_none(x) (!(unsigned long)pmd_val((x)))
#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT)
-#define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
@@ -113,26 +115,6 @@ extern unsigned long pg0[];
*/
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-/*
- * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD]
- *
- * this macro returns the index of the entry in the pgd page which would
- * control the given virtual address
- */
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
-#define pgd_index_k(addr) pgd_index((addr))
-
-/*
- * pgd_offset() returns a (pgd_t *)
- * pgd_index() is used get the offset into the pgd page's array of pgd_t's;
- */
-#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address)))
-
-/*
- * a shortcut which implies the use of the kernel's pgd, instead
- * of a process's
- */
-#define pgd_offset_k(address) pgd_offset(&init_mm, (address))
static inline int pud_large(pud_t pud) { return 0; }
@@ -159,7 +141,7 @@ static inline int pud_large(pud_t pud) { return 0; }
#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
#define pmd_page_vaddr(pmd) \
- ((unsigned long)__va(pmd_val((pmd)) & PTE_MASK))
+ ((unsigned long)__va(pmd_val((pmd)) & PTE_PFN_MASK))
#if defined(CONFIG_HIGHPTE)
#define pte_offset_map(dir, address) \
@@ -191,21 +173,6 @@ do { \
*/
#define update_mmu_cache(vma, address, pte) do { } while (0)
-extern void native_pagetable_setup_start(pgd_t *base);
-extern void native_pagetable_setup_done(pgd_t *base);
-
-#ifndef CONFIG_PARAVIRT
-static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
-{
- native_pagetable_setup_start(base);
-}
-
-static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
-{
- native_pagetable_setup_done(base);
-}
-#endif /* !CONFIG_PARAVIRT */
-
#endif /* !__ASSEMBLY__ */
/*
@@ -221,4 +188,4 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
-#endif /* _I386_PGTABLE_H */
+#endif /* ASM_X86__PGTABLE_32_H */