X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-generic%2Fpgtable.h;h=c2059a3a06216cb936a163255501e20d464c6b21;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=1f4ec7b702706ed643c799e034c128595b3527a7;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 1f4ec7b70..c2059a3a0 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -8,7 +8,7 @@
  *  - update the page tables
  *  - inform the TLB about the new one
  *
- * We hold the mm semaphore for reading and vma->vm_mm->page_table_lock.
+ * We hold the mm semaphore for reading, and the pte lock.
  *
  * Note: the old pte is known to not be writable, so we don't need to
  * worry about dirty bits etc getting lost.
@@ -101,6 +101,22 @@ do {				  					  \
 })
 #endif
 
+#ifndef __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL
+#define ptep_get_and_clear_full(__mm, __address, __ptep, __full)	\
+({									\
+	pte_t __pte;							\
+	__pte = ptep_get_and_clear((__mm), (__address), (__ptep));	\
+	__pte;								\
+})
+#endif
+
+#ifndef __HAVE_ARCH_PTE_CLEAR_FULL
+#define pte_clear_full(__mm, __address, __ptep, __full)			\
+do {									\
+	pte_clear((__mm), (__address), (__ptep));			\
+} while (0)
+#endif
+
 #ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
 #define ptep_clear_flush(__vma, __address, __ptep)			\
 ({									\
@@ -112,6 +128,7 @@ do {				  					  \
 #endif
 
 #ifndef __HAVE_ARCH_PTEP_SET_WRPROTECT
+struct mm_struct;
 static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long address, pte_t *ptep)
 {
 	pte_t old_pte = *ptep;
@@ -125,6 +142,9 @@ 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
@@ -139,6 +159,10 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
 #define lazy_mmu_prot_update(pte)	do { } while (0)
 #endif
 
+#ifndef __HAVE_ARCH_MOVE_PTE
+#define move_pte(pte, prot, old_addr, new_addr)	(pte)
+#endif
+
 /*
  * When walking page tables, get the address of the next boundary,
  * or the end address of the range if that comes earlier.  Although no