#ifndef __UM_PGTABLE_H
#define __UM_PGTABLE_H
-#include "linux/sched.h"
+#include <asm/fixmap.h>
#define _PAGE_PRESENT 0x001
#define _PAGE_NEWPAGE 0x002
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-extern void *um_virt_to_phys(struct task_struct *task, unsigned long virt,
- pte_t *pte_out);
-
/* zero page used for uninitialized stuff */
extern unsigned long *empty_zero_page;
return(pte_present(pte) && (pte_get_bits(pte, _PAGE_NEWPROT)));
}
+static inline int pte_special(pte_t pte)
+{
+ return 0;
+}
+
/*
* =================================
* Flags setting section.
return(pte);
}
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return(pte);
+}
+
static inline void set_pte(pte_t *pteptr, pte_t pteval)
{
pte_copy(*pteptr, pteval);
#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys))
#define __virt_to_page(virt) phys_to_page(__pa(virt))
-#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
+#define page_to_phys(page) pfn_to_phys((pfn_t) page_to_pfn(page))
#define virt_to_page(addr) __virt_to_page((const unsigned long) addr)
#define mk_pte(page, pgprot) \
* this macro returns the index of the entry in the pmd page which would
* control the given virtual address
*/
+#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
+#define pmd_page_vaddr(pmd) \
+ ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
+
/*
* the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE]
*
#define pte_unmap(pte) do { } while (0)
#define pte_unmap_nested(pte) do { } while (0)
+struct mm_struct;
+extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
+
#define update_mmu_cache(vma,address,pte) do ; while (0)
/* Encode and de-code a swap entry */