patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / include / asm-ppc / pgtable.h

diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 98e9bb2..01256bd 100644 (file)
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -548,6 +548,20 @@ static inline void ptep_mkdirty(pte_t *ptep)
        pte_update(ptep, 0, _PAGE_DIRTY);
 }
 
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry, int dirty)
+{
+       unsigned long bits = pte_val(entry) &
+               (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW);
+       pte_update(ptep, 0, bits);
+}
+
+#define  ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
+       do {                                                               \
+               __ptep_set_access_flags(__ptep, __entry, __dirty);         \
+               flush_tlb_page_nohash(__vma, __address);                   \
+       } while(0)
+
 /*
  * Macro to mark a page protection value as "uncacheable".
  */
@@ -670,7 +684,7 @@ extern void kernel_set_cachemode (unsigned long address, unsigned long size,
  */
 #define pgtable_cache_init()   do { } while (0)
 
-typedef pte_t *pte_addr_t;
+extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep);
 
 #endif /* !__ASSEMBLY__ */