Merge master.kernel.org:/home/rmk/linux-2.6-serial

[linux-2.6] / include / asm-generic / pgtable.h

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index a3b28710d56cc222e07f4b4922d4055d4f7eef9a..f40593565173939c5755adda6bee419d90a24635 100644 (file)
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -125,6 +125,9 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 
 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY
 #define page_test_and_clear_dirty(page) (0)
+#define pte_maybe_dirty(pte)           pte_dirty(pte)
+#else
+#define pte_maybe_dirty(pte)           (1)
 #endif
 
 #ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG
@@ -140,17 +143,15 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 #endif
 
 /*
- * When walking page tables, get the address of the next boundary, or
- * the end address of the range if that comes earlier.  Although end might
- * wrap to 0 only in clear_page_range, __boundary may wrap to 0 throughout.
+ * When walking page tables, get the address of the next boundary,
+ * or the end address of the range if that comes earlier.  Although no
+ * vma end wraps to 0, rounded up __boundary may wrap to 0 throughout.
  */
 
-#ifndef pgd_addr_end
 #define pgd_addr_end(addr, end)                                                \
 ({     unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;  \
        (__boundary - 1 < (end) - 1)? __boundary: (end);                \
 })
-#endif
 
 #ifndef pud_addr_end
 #define pud_addr_end(addr, end)                                                \