#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
#define FIRST_USER_ADDRESS 0
-#define PTE_PHYS_MASK 0x1ffff000
-
#ifndef __ASSEMBLY__
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);
#define _PAGE_S(x) _PAGE_NORMAL(x)
#define PAGE_COPY _PAGE_P(PAGE_WRITE | PAGE_READ)
+#define PAGE_SHARED _PAGE_S(PAGE_WRITE | PAGE_READ)
#ifndef __ASSEMBLY__
/*
{
return pte_val(pte) & _PAGE_ACCESSED;
}
+static inline int pte_special(pte_t pte)
+{
+ return 0;
+}
/*
* The following only work if pte_present() is not true.
set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED));
return pte;
}
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return pte;
+}
#define pmd_none(x) (!pmd_val(x))
#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT)
* trivial.
*/
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
-#define pte_page(x) phys_to_page(pte_val(x) & PTE_PHYS_MASK)
+#define pte_page(x) (pfn_to_page(pte_pfn(x)))
/*
* Mark the prot value as uncacheable and unbufferable